阅读说明：本技术 一种圆柱滚子轴承 (Cylindrical roller bearing ) 是由 李建平 于 2020-12-25 设计创作，主要内容包括：本发明提供了一种圆柱滚子轴承,属于轴承技术领域。它解决了现有滚珠轴承装配不便且耐负荷能力与稳定性差的问题。本圆柱滚子轴承,包括内圈、外圈、保持架和滚柱保持架的内径和外径均呈逐渐缩减的锥形体,内圈的外周壁和外圈的内周壁均呈倾斜设置,该内圈和外圈的倾斜角度与所述保持架的倾斜角度相匹配,上述滚柱呈倾斜设置于保持架上,并使装配后的滚柱与内圈和外圈相滑动贴合。本发明具有装配方便且耐负荷能力与稳定性好的优点。(The invention provides a cylindrical roller bearing, and belongs to the technical field of bearings. It has solved the inconvenient and load-bearing capacity of current ball bearing assembly and poor problem of stability. The cylindrical roller bearing comprises an inner ring, an outer ring, a retainer and a tapered body with the inner diameter and the outer diameter of a roller retainer both being gradually reduced, wherein the outer peripheral wall of the inner ring and the inner peripheral wall of the outer ring are both obliquely arranged, the oblique angles of the inner ring and the outer ring are matched with the oblique angle of the retainer, and the rollers are obliquely arranged on the retainer and are in sliding fit with the inner ring and the outer ring after being assembled. The invention has the advantages of convenient assembly and good load-bearing capacity and stability.)

1. The utility model provides a cylindrical roller bearing, includes inner circle (1), outer lane (2), holder (3) and roller (4), its characterized in that, the internal diameter and the external diameter of holder (3) all be the conical body of tapering, the internal perisporium of periphery wall and outer lane (2) of inner circle (1) all be the slope setting, the inclination of this inner circle (1) and outer lane (2) with the inclination phase-match of holder (3), above-mentioned roller (4) are the slope and set up on holder (3) to make roller (4) after the assembly with inner circle (1) and outer lane (2) looks sliding fit.

2. Cylindrical roller bearing in accordance with claim 1, characterized in that the outer circumferential wall of the inner ring (1) at both ends is provided with a collar (5) which projects radially outwards and prevents the rollers (4) from coming off after assembly.

3. Cylindrical roller bearing according to claim 1, characterized in that the outer ring (2) and the inner ring (1) have the same height, and the cage (3) has a height greater than the height of the outer ring (2).

4. The cylindrical roller bearing as claimed in claim 1, wherein both end faces of the roller (4) are provided with grooves which are recessed axially inwards, and the roller (4) is provided with protruding columns (6) which are protruding axially outwards and are arranged in a hollow manner on the groove bottom faces of the corresponding grooves.

5. The cylindrical roller bearing as claimed in claim 4, characterized in that the inner peripheral wall of the retainer (3) at the lower end is provided with a first protruding ring (7) protruding radially inward, the joint of the first protruding ring (7) and the retainer (3) is provided with a rounded corner, and the first protruding ring (7) is provided with a sliding column (8) fixedly connected with the first protruding ring and slidably connected with the corresponding protruding column (6).

6. The cylindrical roller bearing as claimed in claim 5, characterized in that the inner peripheral wall of the cage (3) at the upper end is provided with a second protruding ring (9) fixedly connected thereto, the second protruding ring (9) is fixedly connected to the cage (3) through a plurality of studs, and the second protruding ring (9) is provided with sliding columns (8) fixedly connected thereto and slidably connected to the corresponding protruding columns (6) for limiting the positions of the corresponding rollers (4).

7. Cylindrical roller bearing according to claim 6, characterized in that the outer circumferential wall of the sliding column (8) is in sliding engagement with the inner circumferential wall of the corresponding protruding column (6).

8. The cylindrical roller bearing as claimed in claim 1, wherein the upper end surface of the outer ring (2) is provided with a connecting ring (10) fixedly connected therewith, and the inner peripheral wall of the connecting ring (10) is provided with a third protruding ring (11) which protrudes radially inwards and is in sliding fit with the retainer (3).

Technical Field

The invention belongs to the technical field of bearings, and relates to a cylindrical roller bearing.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is the support machinery rotator, reduces the coefficient of friction in its motion process, and guarantee its gyration precision, current bearing generally is ball bearing, but the bearing's of this type load-resisting ability and stability are relatively poor, and the precision of bearing can appear seriously declining after long-term use, influences the normal use of equipment, can bring serious destruction to equipment and operating personnel's personal safety under the severe condition, and ball bearing assembly is more troublesome relatively simultaneously, and it is inconvenient to change the maintenance after damaging.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a cylindrical roller bearing which is simple to assemble, convenient to maintain, and good in load-bearing capacity and stability.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a cylindrical roller bearing, includes inner circle, outer lane, holder and roller, its characterized in that, the internal diameter and the external diameter of holder all be the cone of tapering, the internal perisporium of periphery wall and the outer lane of inner circle all be the slope setting, the inclination of this inner circle and outer lane with the inclination phase-match of holder, above-mentioned roller is the slope and sets up on the holder to make the roller after the assembly and inner circle and outer lane mutually slip the laminating.

In the above cylindrical roller bearing, the outer peripheral walls of the inner ring at both ends are provided with convex ring portions which are radially outwardly convex and prevent the rollers from being separated after assembly.

In the above cylindrical roller bearing, the outer ring and the inner ring have the same height, and the height of the retainer is greater than the height of the outer ring.

In the cylindrical roller bearing, the two end faces of the roller are provided with grooves which are axially inwards recessed, and the groove bottom faces of the roller, which are located on the corresponding grooves, are provided with protruding columns which axially outwards protrude and are arranged in a hollow mode.

In the cylindrical roller bearing, the inner peripheral wall of the retainer at the lower end part is provided with a first convex ring protruding inwards in the radial direction, a fillet is arranged at the joint of the first convex ring and the retainer, and the first convex ring is provided with a sliding column which is fixedly connected with the first convex ring and is in sliding connection with the corresponding convex column.

In the cylindrical roller bearing, the inner peripheral wall of the retainer at the upper end is provided with a second convex ring fixedly connected with the retainer, the second convex ring is fixedly connected with the retainer through a plurality of studs, and the second convex ring is also provided with a sliding column which is fixedly connected with the second convex ring and is in sliding connection with the corresponding convex column and used for limiting the position of the corresponding roller.

In the above cylindrical roller bearing, the outer peripheral wall of the sliding column is in sliding fit with the inner peripheral wall of the corresponding protruding column.

In the above cylindrical roller bearing, the upper end surface of the outer ring is provided with a connecting ring fixedly connected with the outer ring, and the inner peripheral wall of the connecting ring is provided with a third convex ring which is radially and inwardly convex and is in sliding fit with the retainer.

Compared with the prior art, the load-bearing capacity and the stability have the following advantages:

1. the internal diameter and the external diameter of holder all are the conical body of tapering, and the periphery wall of inner circle and the internal perisporium of outer lane all are the slope setting, and the roller is the slope and sets up on the holder, and the area of contact of roller with inner circle and outer lane has been increased in the setting of above-mentioned structure to improve stability and load-resisting ability, protruding post and sliding column's setting simultaneously is convenient for holistic assembly and dismantlement.

Drawings

Fig. 1 is an exploded view of the present cylindrical roller bearing.

Fig. 2 is a schematic sectional structure view of the present cylindrical roller bearing.

In the figure, 1, inner circle; 2. an outer ring; 3. a holder; 4. a roller; 5. a convex ring part; 6. a raised post; 7. a first convex ring; 8. a sliding post; 9. a convex ring II; 10. a connecting ring; 11. and a third convex ring.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figures 1 and 2, the cylindrical roller bearing comprises an inner ring 1, an outer ring 2, a retainer 3 with a plurality of mounting notches and rollers 4 which have the same number as the mounting notches and are embedded on the mounting notches, and the retainer 3 prevents a plurality of rollers 4 from being collided and worn in the rotating process, the inner diameter and the outer diameter of the retainer 3 are both conical bodies which are gradually reduced from top to bottom, the outer peripheral wall of the inner ring 1 and the inner peripheral wall of the outer ring 2 are both obliquely arranged, the inclination angles of the inner ring 1 and the outer ring 2 are matched with the inclination angle of the retainer 3, the roller 4 is obliquely arranged on the retainer 3 parallel to the roller, and the assembled rollers 4 are in sliding fit with the inner ring 1 and the outer ring 2, namely the central lines of the assembled rollers 4 are all parallel to the inclined surfaces of the corresponding retainers 3, and the inner diameters of the mounting notches are larger than the diameters of the rollers 4.

To put it more concretely, in order to prevent the assembled inner ring 1 from coming off the rollers 4, the outer peripheral walls of the inner ring 1 at both ends are provided with convex ring portions 5 which are radially outwardly convex and prevent the assembled rollers 4 from coming off.

Preferably, the outer ring 2 and the inner ring 1 have the same height, the height of the cage 3 is greater than that of the outer ring 2, when the cage 3 is assembled, the lower end surface of the cage 3 is flush with the lower end surface of the outer ring 2, the outer ring 2 and the inner ring 1 are connected through the rollers 4, the upper end surface of the inner ring 1 is higher than the upper end surface of the cage 3, and the lower end surface of the inner ring 1 is higher than the upper end surface of the cage 3.

In more detail, in order to facilitate the assembly of the roller 4 without affecting the rotation, two end faces of the roller 4 are respectively provided with a groove which is recessed inwards in the axial direction, the groove bottom faces of the roller 4 which are positioned on the corresponding grooves are respectively provided with a convex column 6 which is protruded outwards in the axial direction and is arranged in a hollow manner, the inner peripheral wall of the retainer 3 which is positioned on the lower end part is provided with a convex ring I7 which is protruded inwards in the radial direction, the joint of the convex ring I7 and the retainer 3 is provided with a fillet, the convex ring I7 is provided with a sliding column 8 which is fixedly connected with the convex ring I7 and is slidably connected with the corresponding convex column 6 and used for limiting the position of the corresponding roller 4, the sliding column 8 is arranged in an inclined manner, the central axis of the sliding column 8 is superposed with the central column line of the corresponding convex column 6, the inner peripheral wall of the retainer 3 which is positioned on the upper end part is provided with a convex ring II 9 which is fixedly, the second protruding ring 9 is also provided with a sliding column 8 which is fixedly connected with the second protruding ring and is slidably connected with the corresponding protruding column 6 and used for limiting the position of the corresponding roller 4, the sliding column 8 is obliquely arranged, the central axis of the sliding column 8 coincides with the central column line of the corresponding protruding column 6, the outer peripheral wall of the sliding column 8 is slidably attached to the inner peripheral wall of the corresponding protruding column 6, the sliding column 8 can also be provided with a groove in the middle, the inner peripheral wall of the sliding column 8, which is positioned in the groove, is slidably attached to the outer peripheral wall of the protruding column 6, and the position of the corresponding roller 4 is limited by controlling the movement of the sliding column 8.

In order to enhance the connection strength after assembly, the upper end surface of the outer ring 2 is provided with a connecting ring 10 which is fixedly connected with the upper end surface and used for limiting the position of the retainer 3, the connecting ring 10 is fixedly connected with the outer ring 2 through a plurality of studs, the height of the connecting ring 10 after being assembled with the outer ring 2 is higher than that of the retainer 3, a convex ring III 11 which is radially and inwardly protruded and is in sliding fit with the retainer 3 is arranged on the inner peripheral wall of the connecting ring 10, a plurality of balls which are convenient for the retainer 3 to rotate are arranged between the lower end surface of the convex ring III 11 and the upper end surface of the retainer 3, a plurality of through holes which are the same as the balls in number and are used for placing and installing the balls are arranged on the convex ring III 11, the lower end of the through hole is in a conical body structure, so that the diameter of an opening at the lower end of the through hole is smaller than that of a ball, and the position of the ball is limited by the convex ring part 5 and is fixedly connected with the sealing plug at the upper end of the through hole.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.