CN216842737U

CN216842737U - Super wear-resisting antifatigue high-speed rolling turbocharger bearing body

Info

Publication number: CN216842737U
Application number: CN202123156308.XU
Authority: CN
Inventors: 彭勇飞; 朱咏东
Original assignee: Nantong City Jiacheng Machinery Co ltd
Current assignee: Nantong City Jiacheng Machinery Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-28
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a super wear-resistant anti-fatigue high-speed rolling turbocharger bearing body, which comprises a bearing seat, wherein a detachable axial protection component is arranged inside the bearing seat; the axial protection component comprises a protective sleeve which is rotationally connected with the two ends of the bearing in the axial direction and is set by mirror images, a convex ring which is close to the first ball and is of an annular structure is arranged on one side, opposite to the two protective sleeves, of the two protective sleeves, the inner side of the protective sleeve is close to the outer end of the inner ring, the inner side of the protective sleeve abuts against the outer end of the inner ring, the two protective sleeves are fixed by abutting against the shaft end of the outer ring, a first ball groove which is formed on one side of the first ball is close to the convex ring and is matched with the first ball in an annular rolling mode, the first ball is effectively prevented from axially jumping between the inner ring and the outer ring, meanwhile, the second ball groove between the inner ring and the protective sleeves is matched in a rolling mode through the second ball, the inner ring is effectively prevented from axially jumping inside the outer ring, further, the inner ring is effectively prevented from axially jumping, abrasion is reduced, the abrasion resistance effect is improved, the service life is prolonged, and further the fatigue resistance is improved.

Description

Super wear-resisting antifatigue high-speed rolling turbocharger bearing body

Technical Field

The utility model relates to a bearing body field especially relates to a super wear-resisting antifatigue high speed roll turbocharger bearing body.

Background

The turntable bearing body is a large and super-large bearing body which can receive comprehensive load and has a special structure, and has the characteristics of compact structure, sensitive rotation, convenient device maintenance and the like. The bearing has a supporting point, the inner supporting point of the bearing is a shaft, and the outer supporting is a bearing body.

When the existing bearing body is connected with a rotating shaft, the rotating shaft can drive an inner ring to move along the axial direction due to the fact that a turbocharger during high-speed rolling vibrates and moves axially, and then when balls rotate at a high speed, the balls can increase friction between the outer wall of the inner ring and the inner wall of an outer ring, and when the balls are used for a long time, the outer wall of the inner ring, the inner wall of the outer ring and the balls are prone to being worn seriously, so that the overall fatigue resistance is poor, and the bearing body is prone to being damaged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a super wear-resisting antifatigue high-speed rolling turbocharger bearing body reduces inner ring axial float, and reducing wear improves the effect of resistance to wears, improves life, and then improves antifatigue degree.

In order to solve the technical problem, the utility model provides a following technical scheme: a super wear-resistant anti-fatigue high-speed rolling turbocharger bearing body comprises a bearing seat, wherein a detachable axial protection assembly is arranged inside the bearing seat, and a bearing is coaxially and rotatably connected inside the axial protection assembly;

the bearing comprises an outer ring, an inner ring sleeved in the outer ring, and a plurality of first balls connected between the outer ring and the inner ring in a rolling manner;

the axial protection component comprises protective sleeves which are rotatably connected to two axial ends of the bearing in a mirror image setting mode, convex rings of annular structures close to the first balls are arranged on the opposite sides of the two protective sleeves, and the inner sides of the protective sleeves close to the axle center side and abut against the outer ends of the inner rings.

As an optimal technical scheme of the utility model, two the sheath wants to be provided with a plurality of through the fixed ear of screw rod near one side annular.

As a preferred technical scheme of the utility model, the bearing frame is including epitheca, inferior valve, the inboard annular of epitheca, inferior valve is provided with a plurality of draw-in grooves with two fixed ear cooperation joints.

As the utility model discloses a preferred technical scheme, the bulge loop is close to first ball one side annular and has seted up first ball groove, and rotates with first ball cooperation.

As a preferred technical scheme of the utility model, two loop configuration's second ball groove is all seted up with the inner ring both ends to the sheath, and all roll connection has a plurality of second balls between per two second ball grooves.

As an optimized technical scheme of the utility model, the sheath is close to and leaves the space between second ball groove one side and the inner ring.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the two sheaths are fixed with the end of the outer ring in an abutting mode, the first ball groove is formed in one side of the first ball through the convex ring, the first ball groove is matched with the first ball in an annular rolling mode, the first ball is effectively prevented from axially jumping between the inner ring and the outer ring, meanwhile, the second ball groove is matched with the second ball groove between the inner ring and the sheaths in a rolling mode, the inner ring is effectively prevented from axially jumping inside the outer ring, the inner ring is effectively prevented from axially jumping, abrasion is reduced, the abrasion resistance is improved, the service life is prolonged, and the fatigue resistance is further improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic structural view of the axial protective assembly of the present invention;

FIG. 4 is a schematic view of the radial cross-section structure of the axial protection assembly and the bearing of the present invention;

FIG. 5 is a schematic view of the sheath structure of the present invention;

FIG. 6 is a schematic cross-sectional view of the sheath of the present invention;

fig. 7 is a schematic view of the bearing structure of the present invention;

fig. 8 is a schematic view of the lower case structure of the present invention.

Wherein:

1. a bearing seat; 11. an upper shell; 12. a lower case; 13. a card slot;

2. an axial shield assembly; 21. a sheath; 211. fixing the ear; 22. a convex ring; 221. a first ball groove; 23. a second ball bearing; 24. a second ball groove;

3. a bearing; 31. an outer ring; 32. an inner ring; 33. a first ball.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-8, the utility model provides a super wear-resistant anti-fatigue high-speed rolling turbocharger bearing body, which comprises a bearing seat 1, a detachable axial protection component 2 is arranged inside the bearing seat 1, and a bearing 3 is coaxially and rotatably connected inside the axial protection component 2; the bearing 3 comprises an outer ring 31, an inner ring 32 sleeved in the outer ring 31, and a plurality of first balls 33 connected between the outer ring 31 and the inner ring 32 in a rolling manner; the axial protection component 2 comprises two protective sleeves 21 which are rotationally connected to two axial ends of the bearing 3 and are set in a mirror image mode, a convex ring 22 of an annular structure close to the first balls 33 is arranged on one opposite side of each of the two protective sleeves 21, and the inner side of each of the protective sleeves 21 close to the axial center side abuts against the outer end of the inner ring 32.

When using, it is fixed with 31 axle heads of outer ring between two sheaths 21 to offset, be close to the first ball groove 221 that first ball 33 one side was seted up through bulge loop 22, and with first ball 33 annular roll cooperation, effectual first ball 33 of avoiding is axial float between inner ring 32 and outer ring 31, roll cooperation between second ball groove 24 between inner ring 32 and sheath 21 through second ball 23 simultaneously, the effectual inner ring 32 of having avoided is at the inside axial float of outer ring 31, and then the effectual inner ring 32 axial float of having avoided, reduce wear, improve the effect of resistance to wears, and improve life, and then improve fatigue resistance.

In other embodiments, the two sheaths 21 are annularly provided with a plurality of fixing lugs 211 fixed by screws near one side, and the two sheaths 21 are fixed by the fixing lugs 211 arranged annularly and the screws, so that the two sheaths 21 can be conveniently disassembled and assembled.

In other embodiments, the bearing seat 1 includes an upper shell 11 and a lower shell 12, and a plurality of slots 13 engaged with the two fixing lugs 211 are annularly disposed on inner sides of the upper shell 11 and the lower shell 12.

As shown in fig. 8, after the two sheaths 21 are installed, the axial protection component 2 is placed inside the lower shell 12, and every two fixed fixing lugs 211 are clamped into the clamping grooves 13, so that the axial protection component 2 is fixed inside the bearing seat 1, and the rotation of the axial protection component 2 is avoided.

In other embodiments, the protruding ring 22 has a first ball groove 221 annularly formed on a side thereof close to the first ball 33, and cooperates with the first ball 33 to rotate.

When the axial protection device is used, the first ball groove 221 is matched with the first ball 33, so that the rolling effect of the first ball 33 is effectively kept, and the axial protection effect is improved.

In other embodiments, the two sheaths 21 and the two ends of the inner ring 32 are both provided with second ball grooves 24 of annular structure, and a plurality of second balls 23 are connected between every two second ball grooves 24 in a rolling manner.

Through the rolling cooperation between the second ball groove 24 of second ball 23 between inner ring 32 and sheath 21, effectual inner ring 32 of having avoided is at the inside axial float of outer ring 31, and rolls effectually, reduces the friction between sheath 21 and the inner ring 32, improves the effect of resistance to wears, improves fatigue resistance ability.

In other embodiments, a gap is left between the side of the sheath 21 close to the second ball groove 24 and the inner ring 32, so as to prevent abrasion caused by friction between the sheath 21 and the inner ring 32 and improve the rolling effect of the second balls 23.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a super wear-resisting antifatigue high-speed rolling turbocharger bearing body, includes bearing frame (1), its characterized in that: a detachable axial protection component (2) is arranged in the bearing seat (1), and a bearing (3) is coaxially and rotatably connected in the axial protection component (2);

the bearing (3) comprises an outer ring (31), an inner ring (32) sleeved in the outer ring (31), and a plurality of first balls (33) connected between the outer ring (31) and the inner ring (32) in a rolling manner;

the axial protection component (2) comprises two protective sleeves (21) which are rotatably connected to two axial ends of the bearing (3) and are set in a mirror image mode, a convex ring (22) which is close to the first ball (33) and is of an annular structure is arranged on one side, opposite to the two protective sleeves (21), of each protective sleeve, and the inner side of each protective sleeve (21) is close to the outer end of the inner ring (32) on the side close to the axis.

2. The super wear-resistant fatigue-resistant high-speed rolling turbocharger bearing body according to claim 1, wherein: the two sheaths (21) are provided with a plurality of fixing lugs (211) which are fixed through screws in an annular mode near one side.

3. The super wear-resistant fatigue-resistant high-speed rolling turbocharger bearing body according to claim 1, wherein: the bearing seat (1) comprises an upper shell (11) and a lower shell (12), wherein a plurality of clamping grooves (13) which are matched and clamped with two fixing lugs (211) are annularly arranged on the inner sides of the upper shell (11) and the lower shell (12).

4. The super wear-resistant fatigue-resistant high-speed rolling turbocharger bearing body according to claim 1, wherein: one side of the convex ring (22) close to the first ball (33) is annularly provided with a first ball groove (221) and is matched with the first ball (33) to rotate.

5. The super wear-resistant fatigue-resistant high-speed rolling turbocharger bearing body according to claim 1, wherein: two second ball grooves (24) with annular structures are formed in the two ends of the sheath (21) and the two ends of the inner ring (32), and a plurality of second balls (23) are connected between every two second ball grooves (24) in a rolling mode.

6. The super wear-resistant fatigue-resistant high-speed rolling turbocharger bearing body according to claim 1, wherein: a gap is reserved between one side of the sheath (21) close to the second ball groove (24) and the inner ring (32).