CN218177741U - Self-aligning tapered roller bearing - Google Patents

Abstract

The utility model relates to a self-aligning tapered roller bearing, including bearing inner race, bearing inner race and can rolling install the bearing inner race with two between the bearing inner race are listed as tapered roller, still including coaxial cup joint in last self-aligning seat circle of bearing inner race, the outer peripheral face of bearing inner race is the evagination sphere, the inner peripheral surface of self-aligning seat circle be provided with the indent sphere of evagination sphere looks adaptation, two mounting groove have been seted up to the symmetry on the indent sphere of self-aligning seat circle one end, the evagination sphere corresponds one of them mounting groove department is provided with the spacer pin. The tapered roller bearing with the aligning seat ring is adopted, so that the abrasion problem caused by differential slip can be avoided, the aligning function is added, and the axial load bearing capacity is strong.

Description

Self-aligning tapered roller bearing

Technical Field

The utility model relates to a bearing technical field especially relates to a self-aligning tapered roller bearing.

Background

The operating conditions of continuous casting equipment have very high requirements on the bearings, which bear heavy loads at low speeds and must ensure stable operation at high temperatures and in water injection environments. The self-aligning roller bearing for the continuous casting equipment has the problems of differential slip, fatigue peeling, cracking and the like easily caused by the severe use environment, and finally, the service life of the bearing is reduced, and the bearing consumption cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a self-aligning tapered roller bearing to solve the problem of proposing among the above-mentioned background art to the not enough of prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an aligning tapered roller bearing, includes bearing inner race, bearing inner race and can rolling install the bearing inner race with two tapered roller between the bearing inner race still include coaxial cup joint in aligning seat circle on the bearing inner race, the outer peripheral face of bearing inner race is the evagination sphere, the inner peripheral surface of aligning seat circle be provided with the indent sphere of evagination sphere looks adaptation, two mounting groove have been seted up to the symmetry on the indent sphere of aligning seat circle one end, the evagination sphere corresponds one of them mounting groove department is provided with the spacer pin.

Further, the mounting groove extends from one end of the self-aligning race to the middle of the self-aligning race.

Furthermore, the mounting groove is a cylindrical groove, and the spherical center of the outer diameter of the convex spherical surface of the bearing outer ring is coincided with the axis of the cylindrical groove.

Furthermore, the limiting pin is arranged in an outward inclined mode and is a ball head pin.

Furthermore, the small diameter ends of the two rows of tapered rollers are arranged oppositely, the inner peripheral surface of the bearing outer ring is provided with two rows of outer ring raceways matched with the tapered rollers, the bearing inner ring comprises a first half inner ring and a second half inner ring, a first inner raceway matched with the tapered rollers is arranged on the outer peripheral surface of the first half inner ring, a second inner raceway matched with the tapered rollers is arranged on the outer peripheral surface of the second half inner ring, both ends of the first inner raceway and the second inner raceway are provided with flanges, and a spacer ring is arranged between the first half inner ring and the second half inner ring.

Furthermore, the axial middle part of the bearing outer ring and the axial middle part of the aligning seat ring are both provided with radial oil holes which are mutually communicated,

the two rows of tapered rollers are respectively and correspondingly arranged in windows of the two retainers in a rolling way.

Compared with the prior art, the utility model beneficial effect be:

the utility model provides a pair of aligning tapered roller bearing, including bearing inner race, bearing inner race and can rolling install the bearing inner race with two between the bearing inner race are listed as tapered roller, still include coaxial cup joint in aligning seat circle on the bearing inner race, the outer peripheral face of bearing inner race is the evagination sphere, the inner peripheral surface of aligning seat circle be provided with the indent sphere of evagination sphere looks adaptation, two mounting groove have been seted up to the symmetry on the indent sphere of aligning seat circle one end, the evagination sphere corresponds one of them mounting groove department is provided with the spacer pin. The tapered roller bearing with the aligning seat ring is adopted, so that the abrasion problem caused by differential slip can be avoided, the aligning function is added, and the axial load bearing capacity is strong.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of the aligning seat ring according to the embodiment of the present invention from the left;

FIG. 3 isbase:Sub>A schematic view of the structure of FIG. 2 along the line A-A;

fig. 4 is a schematic structural diagram of a bearing outer ring according to an embodiment of the present invention.

In the figure: 1. bearing inner race, 1.1, evagination sphere, 1.2, pinhole, 2, bearing inner race, 2.1, first half inner race, 2.2, second half inner race, 3, tapered roller, 4, aligning seat circle, 4.1, indent sphere, 4.2, mounting groove, 5, spacer pin, 6, spacer ring, 7, holder, 8, oilhole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

As shown in fig. 1-4, a self-aligning tapered roller bearing, is used for the stiff end of continuous casting equipment, it includes bearing inner race 1, bearing inner race 2 and can rolling install two tapered rollers 3 between bearing inner race 1 and bearing inner race 2, still include the self-aligning housing washer 4 of coaxial cup jointing on bearing inner race 1, the outer peripheral face of bearing inner race 1 is evagination sphere 1.1, the inner peripheral surface of self-aligning housing washer 4 is provided with the indent sphere 4.1 with evagination sphere 1.1 looks adaptation, two mounting groove 4.2 have been seted up to the symmetry on the indent sphere 4.1 of self-aligning housing washer 4 one end, mounting groove 4.2 is used for installing bearing inner race 1, specifically, mounting groove 4.2 extends to the middle part of self-aligning housing washer 4 from the one end of self-aligning housing washer 4. The mounting groove 4.2 of this embodiment is a cylindrical groove, and the center of sphere of the outer diameter of the convex spherical surface 1.1 of the bearing outer ring 1 coincides with the axis of the cylindrical groove, and it should be noted that the cylindrical groove is reasonable in structure and convenient to mount and process.

A position of the convex spherical surface 1.1 on the bearing inner ring 2, which corresponds to one of the mounting grooves 4.2, is provided with a limit pin 5. The limit pin 5 is used for limiting the position of the bearing outer ring 1 in the self-aligning race 4. The limiting device is simple in structure, convenient to operate and good in limiting effect. The stop pin 5 of this embodiment is a ball head pin, and the ball head pin is inclined to the outside. During installation, the lower end of the ball head pin is fixedly installed in the pin hole 1.2 on the convex spherical surface 1.1, and the ball head part of the ball head pin is exposed out of the convex spherical surface 1.1 and used for limiting, the ball head part can enhance the limiting effect, and meanwhile, the scratch is avoided.

The small diameter ends of two rows of tapered rollers 3 of this embodiment are arranged relatively, the inner peripheral surface of the bearing outer ring 1 is provided with two rows of outer ring raceways matched with the tapered rollers 3, the bearing inner ring 2 comprises a first half inner ring 2.1 and a second half inner ring 2.2, a first inner raceway matched with the tapered rollers 3 is arranged on the outer peripheral surface of the first half inner ring 2.1, a second inner raceway matched with the tapered rollers 3 is arranged on the outer peripheral surface of the second half inner ring 2.2, a spacer ring 6 is arranged between the first half inner ring 2.1 and the second half inner ring 2.2, and both ends of the first inner raceway and the second inner raceway are provided with flanges. It should be noted that, the arrangement of the above structure can improve the stability of the bearing, and the bearing capacity is strong.

In order to facilitate the lubrication of the bearing, the axial middle part of the bearing outer ring and the axial middle part of the aligning seat ring are provided with radial oil holes 8 which are communicated with each other.

In order to improve the high stability of the bearing, the present embodiment further includes two retainers 7 disposed between the bearing inner ring 2 and the bearing outer ring 1, the two rows of tapered rollers 3 are rollably mounted between the bearing outer ring 1 and the bearing inner ring 2 through the two rows of retainers 7, and during mounting, the two rows of tapered rollers 3 are respectively correspondingly rollably mounted in the windows of the two retainers 7.

Compared with the prior art, the embodiment has the beneficial effects that:

the self-aligning tapered roller bearing of the embodiment has certain angle change by arranging the self-aligning seat ring 4, can avoid the problem of bearing raceway abrasion caused by differential slip, and increases the self-aligning function. The axial load bearing capacity of the self-aligning roller bearing is strong. When the tapered roller bearing with the aligning seat ring 4 is used, the deflection of a shaft can be compensated, the radial and axial bearing capacity of the bearing is increased, the damage of the ring is reduced, the safe operation performance of the bearing is improved, and the temperature of the bearing is reduced during operation. The service life of the bearing is prolonged, and the cost is reduced.

It should be noted that. The part of the utility model not detailed is prior art.

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", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," and "screwed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A self-aligning tapered roller bearing is characterized in that: including bearing inner race, bearing inner race and can rolling install the bearing inner race with two between the bearing inner race are listed as tapered roller, still include coaxial cup joint in aligning seat circle on the bearing inner race, the outer peripheral face of bearing inner race is the evagination sphere, the inner peripheral surface of aligning seat circle be provided with the indent sphere of evagination sphere looks adaptation, two mounting groove have been seted up to the symmetry on the indent sphere of aligning seat circle one end, the evagination sphere corresponds one of them mounting groove department is provided with the spacer pin.

2. A self-aligning tapered roller bearing according to claim 1, wherein: the mounting groove extends from one end of the self-aligning seat ring to the middle of the self-aligning seat ring.

3. A self-aligning tapered roller bearing according to claim 2, wherein: the mounting groove is a cylindrical groove, and the spherical center of the outer diameter of the convex spherical surface of the bearing outer ring is superposed with the axis of the cylindrical groove.

4. A self-aligning tapered roller bearing according to claim 1, characterized in that: the limiting pin is obliquely arranged towards the outer side, and the limiting pin is a ball head pin.

5. A self-aligning tapered roller bearing according to claim 1, wherein: the tapered roller bearing comprises two rows of tapered rollers, and is characterized in that small-diameter ends of the two rows of tapered rollers are arranged oppositely, the inner peripheral surface of the bearing outer ring is provided with two rows of outer ring raceways matched with the tapered rollers, the bearing inner ring comprises a first half inner ring and a second half inner ring, a first inner raceway matched with the tapered rollers is arranged on the outer peripheral surface of the first half inner ring, a second inner raceway matched with the tapered rollers is arranged on the outer peripheral surface of the second half inner ring, blocking edges are arranged at two ends of the first inner raceway and the second inner raceway, and a spacer ring is arranged between the first half inner ring and the second half inner ring.

6. A self-aligning tapered roller bearing according to claim 1, wherein: the bearing outer ring axial middle part and the aligning seat ring axial middle part are all provided with radial oil holes which are communicated with each other.

7. A self-aligning tapered roller bearing according to any one of claims 1 to 6, wherein: the two rows of tapered rollers are respectively and correspondingly arranged in windows of the two retainers in a rolling way.

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