CN218598609U - Double-row roller bearing inner ring installation assembly - Google Patents

Abstract

The utility model relates to the technical field of bearing installation, in particular to a double-row roller bearing inner ring installation assembly, comprising: an inner ring, the inner ring includes two mutually fitted installation rings, and the sides of the two installation rings are close to each other. Fixedly connected with a plurality of hard clamping blocks distributed in a circular array, the multiple hard clamping blocks are spliced into a ring, and the two sides of the hard clamping blocks are respectively provided with oblique tooth grooves and elastic pads; between the outer ring and the inner ring There are cages and rolling elements; the beneficial effect is: by setting the inner ring as two parallel installation rings, the end faces of the two installation rings close to each other are fixedly connected with a plurality of hard blocks distributed in an annular array. When the two installation rings are close to each other, multiple hard blocks are interlaced and spliced to form a ring. Compared with the traditional one-piece inner ring, the inner ring of this device is composed of two installation rings. The sides are installed separately, and the installation process is simpler and labor-saving.

Description

A double row roller bearing inner ring mounting assembly

technical field

The utility model relates to the technical field of bearing installation, in particular to an inner ring installation assembly of a double-row roller bearing.

Background technique

The inner and outer rings of double row roller bearings have two raceways, and there are two sets of rolling elements inside.

In the prior art, due to its special structure, the installation process of the inner ring of the double row roller bearing is relatively cumbersome. It is necessary to heat the inner and outer rings before installation to cause a certain degree of elastic deformation. It cools down.

At present, the inner ring of the double row roller bearing is usually a one-piece structure. Although it has good strength itself, the installation process is cumbersome and laborious, and its assembly requires a lot of time and energy. For this reason, the utility model proposes a double-row roller bearing inner ring mounting assembly to solve the above-mentioned problems.

Utility model content

The purpose of this utility model is to provide a double-row roller bearing inner ring installation assembly to solve the problem of cumbersome and laborious installation process of the double-row roller bearing inner ring proposed in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a double row roller bearing inner ring installation assembly, including:

Inner ring, the inner ring includes two mounting rings that are attached to each other, and the sides of the two mounting rings that are close to each other are fixedly connected with a plurality of hard blocks distributed in an annular array. The clamping blocks are interlaced with each other, and a plurality of the hard clamping blocks are spliced to form a ring, and the two sides of the hard clamping blocks are respectively provided with oblique tooth grooves and elastic pads;

An outer ring, the outer ring covers the outer side of the inner ring, and a cage and rolling elements are arranged between the outer ring and the inner ring.

Preferably, the helical tooth grooves on two adjacent hard blocks are meshed and connected, and the opening end of the inner wall of the installation ring is provided with rounded corners.

Preferably, the surface of the cage is provided with a plurality of positioning holes, the rolling bodies are provided with a plurality of positioning holes and are respectively located in the plurality of positioning holes, and the rolling bodies roll between the outer ring and the inner ring.

Preferably, the middle part of the inner side wall of the cage is provided with an annular flange, and the surface of the hard clamping block is fixedly connected with a limit projection, and the limit projection passes over the ring flange and fits the limit projection. side.

Preferably, both the section of the annular flange and the section of the limiting protrusion are in a "V" shape, and the inner sidewall of the hard clamping block is flush with the inner sidewall of the mounting ring.

Preferably, the outer wall of the installation ring is provided with an annular raceway, and the rolling elements are provided in two groups, and the rolling elements of the two groups roll in the outer raceways of the two installation rings respectively.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model sets the inner ring as two side-by-side installation rings, and the end faces of the two installation rings close to each other are fixedly connected with a plurality of hard clamping blocks distributed in a circular array, and one side of the hard clamping block is provided with a slope The tooth groove, the other side of the hard block is bonded with an elastic pad. When the two mounting rings are close to each other, multiple hard blocks are staggered and spliced to form a ring. At this time, the elastic pad provides a thrust to make the two adjacent oblique The tooth slots are locked together to avoid the separation of the two mounting rings, thereby ensuring the stability of the inner ring after installation. Compared with the traditional one-piece inner ring, the inner ring of this device is composed of two mounting rings. And install separately from both sides of the outer ring, the installation process is simpler and labor-saving.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of explosion of the inner ring structure of the utility model;

Fig. 3 is a three-dimensional schematic diagram of the cage structure of the utility model;

Fig. 4 is a partial cross-sectional schematic diagram of the overall structure of the utility model.

In the figure: 1. Outer ring; 2. Mounting ring; 3. Hard block; 4. Helical tooth groove; 5. Elastic pad; 6. Limiting bump; 7. Cage; 8. Annular flange; 9 , rolling body.

Detailed ways

In order to clearly and completely describe the purpose, technical solution, and advantages of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present invention, rather than all embodiments, and are only used to explain the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. All other embodiments obtained under the premise of creative work all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", " The orientation or positional relationship indicated by "bottom", "side", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention. Furthermore, the terms "a", "first", "second", "third", "fourth", "fifth" and "sixth" 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 should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

For purposes of simplicity and illustration, the principles of the embodiments are mainly described with reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that in practice the embodiments may not be limited to these specific details. In some instances, well-known methods and structures have not been described in detail to avoid unnecessarily obscuring the embodiments. In addition, all the embodiments can be used in combination with each other.

Please refer to Figure 1 to Figure 4, the utility model provides a technical solution:

Embodiment one

A double-row roller bearing inner ring installation assembly includes: an inner ring and an outer ring 1 .

Specifically, the inner ring includes two mounting rings 2 that are attached to each other, and the sides of the two mounting rings 2 that are close to each other are fixedly connected with a plurality of hard blocks 3 distributed in an annular array, and the plurality of hard blocks 3 Interlaced with each other, a plurality of hard clamping blocks 3 are spliced to form a ring, and the two sides of the hard clamping blocks 3 are respectively provided with helical tooth grooves 4 and elastic pads 5, as shown in Figure 2, when two mounting rings 2 are close to each other, more Two hard clamping blocks 3 are staggered and abut against the side of the mounting ring 2, so as to realize the splicing of the two mounting rings 2, and the helical grooves 4 on the adjacent two hard clamping blocks 3 can keep meshing to prevent the two The two mounting rings 2 are separated from each other, thereby ensuring the stability of the spliced inner rings, and the elastic pad 5 is provided to provide thrust, so that the two helical tooth grooves 4 can always maintain the meshing state, and will not be easily separated;

Secondly, the outer ring 1 covers the outer side of the inner ring, and a cage 7 and rolling elements 9 are arranged between the outer ring 1 and the inner ring. The outer ring 1, cage 7 and rolling elements 9 are all necessary structural components of the bearing.

Embodiment two

On the basis of Embodiment 1, in order to make the sleeve installation of the bearing more smooth, the helical tooth grooves 4 on two adjacent hard blocks 3 of the present application are meshed and connected, and the opening end of the inner wall of the installation ring 2 is provided with rounded corners. This enables the bearing to be more smoothly sleeved on the outside of the rotating shaft body.

Embodiment Three

On the basis of Embodiment 2, in order to refine the structure and relative positional relationship between the cage 7 and the rolling elements 9, the present application also has a plurality of positioning holes on the surface of the cage 7, and the rolling elements 9 are provided with multiple and parallel positions. They are respectively located in multiple positioning holes, and the rolling elements 9 roll between the outer ring 1 and the inner ring.

Embodiment Four

On the basis of Embodiment 3, in order to further improve the stability of the two installation rings 2 after splicing, the present application also has an annular flange 8 arranged in the middle of the inner side wall of the cage 7, and the surface of the hard clamping block 3 is fixedly connected. The limit bump 6, the limit bump 6 crosses the annular flange 8 and fits the side of the limit bump 6, the cross section of the ring flange 8 and the cross section of the limit bump 6 are both in the shape of "V", as shown in the figure As shown in 4, when the two installation rings 2 are spliced and installed with each other, the limit protrusions 6 on the two installation rings 2 respectively cross the annular flange 8 from both sides of the annular flange 8, and when the bearing is sleeved on the rotating shaft body After the outer side, due to the interference fit between the mounting ring 2 and the rotating shaft body, the limit protrusion 6 can be closely attached to the side of the annular flange 8, thereby further improving the stability of the splicing of the two mounting rings 2, hard The inner side wall of the block 3 is flush with the inner side wall of the installation ring 2, so as to prevent the installation between the inner ring and the rotating shaft body from being hindered.

Embodiment five

On the basis of Embodiment 4, in order to avoid being hindered by the rolling elements 9 when the inner ring is installed, this application also has an annular raceway on the outer wall of the installation ring 2, and two sets of rolling elements 9 are provided, and the two sets of rolling elements Rolling bodies 9 are respectively located in the outer raceways of the two mounting rings 2, as shown in Fig. Obstructed by rolling element 9.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a double-row roller bearing inner race installation component which characterized in that: the method comprises the following steps:

the clamping device comprises an inner ring, wherein the inner ring comprises two mounting rings (2) which are attached to each other, a plurality of hard clamping blocks (3) which are distributed in an annular array are fixedly connected to one side surface, close to each other, of each of the two mounting rings (2), the hard clamping blocks (3) are staggered with each other, the hard clamping blocks (3) are spliced in an annular shape, and inclined tooth grooves (4) and elastic pads (5) are respectively formed in two side surfaces of each hard clamping block (3);

the bearing comprises an outer ring (1), wherein the outer ring (1) covers the outer side of the inner ring, and a retainer (7) and a rolling body (9) are arranged between the outer ring (1) and the inner ring.

2. The double row roller bearing inner race mounting assembly of claim 1, wherein: the two adjacent hard clamping blocks (3) are meshed and connected through oblique tooth grooves (4), and the open end of the inner wall of the mounting ring (2) is provided with a fillet.

3. The double row roller bearing inner race mounting assembly of claim 2, wherein: the surface of the retainer (7) is provided with a plurality of positioning holes, the rolling bodies (9) are arranged in the plurality of positioning holes respectively, and the rolling bodies (9) roll between the outer ring (1) and the inner ring.

4. The double row roller bearing inner race mounting assembly of claim 3, wherein: the middle part of the inner side wall of the retainer (7) is provided with an annular flange (8), the surface of the hard fixture block (3) is fixedly connected with a limiting lug (6), and the limiting lug (6) crosses the annular flange (8) and is attached to the side surface of the limiting lug (6).

5. The double row roller bearing inner race mounting assembly of claim 4, wherein: the cross section of the annular flange (8) and the cross section of the limiting lug (6) are both V-shaped, and the inner side wall of the hard fixture block (3) is flush with the inner side wall of the mounting ring (2).

6. The double row roller bearing inner race mounting assembly of claim 5, wherein: the outer side wall of the mounting ring (2) is provided with an annular roller path, the rolling bodies (9) are provided with two groups, and the two groups of rolling bodies (9) are respectively located in the roller paths on the outer sides of the two mounting rings (2) to roll.

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