CN213870775U

CN213870775U - Noise reduction bearing

Info

Publication number: CN213870775U
Application number: CN202022714238.4U
Authority: CN
Inventors: 李辉
Original assignee: Xiangyang Xinghuo Automotive Bearings Co ltd
Current assignee: Xiangyang Xinghuo Automotive Bearings Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-03
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a noise reduction bearing, which relates to the technical field of bearings and comprises a bearing inner ring, a bearing outer ring and balls, wherein the bearing outer ring is rotatably arranged at the periphery of the bearing inner ring, the balls are embedded between the bearing inner ring and the bearing outer ring, a damping ring is fixedly arranged at the periphery of the bearing outer ring, a buffer spring is fixedly connected between the damping ring and the bearing outer ring, an inner ring roller path is arranged at the outer wall of the bearing inner ring, an outer ring roller path is arranged at the inner wall of the bearing outer ring, and a hydraulic column is embedded in the inner wall of the bearing inner ring, the utility model discloses a damping ring and the buffer spring are arranged, the bearing generates small radial vibration in the operation process, the vibration force is transmitted to the buffer spring through the bearing outer ring, the buffer spring can effectively buffer the impact force, further reduce the noise generated by the vibration, effectively prolong the service life of the whole bearing, and the buffer spring is arranged in multiple directions, can carry out all-round buffering to the vibrational force, the shock attenuation effect is good.

Description

Noise reduction bearing

Technical Field

The utility model relates to a bearing technical field specifically is a bearing of making an uproar falls.

Background

The bearing is a heavy component in mechanical equipment. Its main function is to support the mechanical rotating body to reduce the friction coefficient of mechanical load of equipment in the transmission process. The bearings are divided into radial bearings and thrust bearings according to different bearing directions or different nominal contact angles; the bearing is classified into a self-aligning bearing and a non-self-aligning bearing according to whether the center can be aligned or not.

Current bearing can produce the radial vibration of small amplitude when the operation, and these vibrations not only can produce the noise, but also can make the bearing produce the temperature rise, and then seriously influence the life of bearing, and in addition, current bearing generally all is the axostylus axostyle installation to specific model, can't be applicable to the axostylus axostyle of different models, and the flexibility is relatively poor, and application range is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing of making an uproar falls to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a noise reduction bearing comprises a bearing inner ring, a bearing outer ring and balls, wherein the bearing outer ring is rotatably arranged on the periphery of the bearing inner ring, the balls are embedded between the bearing inner ring and the bearing outer ring, the periphery of the bearing outer ring is fixedly provided with a damping ring, a buffer spring is fixedly connected between the damping ring and the bearing outer ring, an inner ring raceway is arranged on the outer wall of the bearing inner ring, the inner wall of the bearing outer ring is provided with an outer ring raceway, the inner wall of the bearing inner ring is embedded with a hydraulic column, one end of the hydraulic column far away from the bearing inner ring is fixedly connected with a buckling piece, a fixing bolt is movably inserted in the buckling piece, an oil storage cavity is arranged inside the bearing outer ring, the rear end of the oil storage cavity is connected with an oil pipeline, and an extrusion piston is movably inserted in the oil storage cavity, and the surface of the front end of the extrusion piston is fixedly connected with a push rod.

Preferably, the bearing outer ring and the damping ring are elastically connected through a buffer spring, and the bearing outer ring and the damping ring are located on the same axis.

Preferably, the buffer springs are arranged in a plurality, and the plurality of buffer springs are distributed in an annular array by taking the axle center of the bearing outer ring as a round point.

Preferably, the number of the buckling pieces is four, the four buckling pieces are fixedly connected with the inner ring of the bearing through hydraulic columns, and the four buckling pieces form a circular ring-shaped hole.

Preferably, the fastening piece and the shaft lever are fixedly connected through a fixing bolt, screw holes are formed in the surface of the fastening piece and the surface of the shaft lever, and the screw holes are matched with the fixing bolt.

Preferably, the oil storage cavity is in through connection with the outer ring raceway through an oil conveying pipeline, and lubricating oil is filled in the oil storage cavity.

Preferably, the catch bar passes through extrusion piston activity and alternates in the oil storage intracavity portion, extrusion piston is the extrusion piston of rubber material.

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

(1) the utility model provides a bearing of making an uproar falls, through being provided with damping ring and buffer spring, when the bearing produced the radial vibration of small amplitude at the operation in-process, the vibrational force passes through the bearing outer ring and transmits to buffer spring, and buffer spring can effectively cushion the impact force, and then reduces the noise that the vibration produced to effectively promote the holistic life of bearing, and through the buffer spring of diversified setting, can carry out all-round buffering to the vibrational force, the shock attenuation effect is good.

(2) The utility model provides a noise reduction bearing, through being provided with hydraulic pressure post and lock joint piece, when the bearing inner ring is connected with the axostylus axostyle of jointing equipment, support tight lock joint piece and make the hydraulic pressure post compression, and with the axostylus axostyle interlude between each lock joint piece, each lock joint piece is then close to the axostylus axostyle under the resilience force of hydraulic pressure post through the diameter of axostylus axostyle, until supporting tight axostylus axostyle, rotatory fixing bolt with lock joint piece and axostylus axostyle be connected fixedly can, compression, the radial distance between each lock joint piece of the adjustable accuse of hydraulic pressure post of resilience, the flexibility is higher, and then the model of the different axostylus axostyles of adaptation, more extensive application range has.

(3) The utility model provides a bearing of making an uproar falls, through being provided with oil storage chamber and defeated oil pipe way, there is the lubricating oil that is used for the ball lubrication in the oil storage intracavity, make extrusion piston move along the oil storage chamber through supporting tight catch bar, can push defeated oil pipe way with lubricating oil under the effect of pressure to get into the outer loop raceway and lubricate the ball, reduce the frictional force between ball and inner ring raceway, the outer loop raceway, when reducing the frictional noise, effectively reduce the wearing and tearing of ball, promote its life.

Drawings

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

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the inner structure of the bearing of the present invention;

fig. 4 is an enlarged schematic view of part a of the present invention.

In the figure: 1. a bearing inner ring; 2. a bearing outer ring; 3. a ball bearing; 4. a shock-absorbing ring; 5. a buffer spring; 6. an inner ring raceway; 7. an outer ring raceway; 8. a hydraulic column; 9. buckling the sheet; 10. fixing the bolt; 11. an oil storage chamber; 12. an oil pipeline; 13. a squeeze piston; 14. a push rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: a noise reduction bearing comprises a bearing inner ring 1, a bearing outer ring 2 and balls 3, wherein the bearing outer ring 2 is rotatably arranged at the periphery of the bearing inner ring 1, the balls 3 are embedded between the bearing inner ring 1 and the bearing outer ring 2, the periphery of the bearing outer ring 2 is fixedly provided with a damping ring 4, a buffer spring 5 is fixedly connected between the damping ring 4 and the bearing outer ring 2, the outer wall of the bearing inner ring 1 is provided with an inner ring raceway 6, the inner wall of the bearing outer ring 2 is provided with an outer ring raceway 7, the inner wall of the bearing inner ring 1 is embedded with a hydraulic column 8, one end of the hydraulic column 8, which is far away from the bearing inner ring 1, is fixedly connected with a buckling sheet 9, a fixing bolt 10 is movably inserted in the buckling sheet 9, an oil storage cavity 11 is arranged in the bearing outer ring 2, and the rear end of the oil storage cavity 11 is connected with an oil conveying pipeline 12, and an extrusion piston 13 is movably inserted into the oil storage chamber 11, and a push rod 14 is fixedly connected to the front end surface of the extrusion piston 13.

Referring to fig. 1 and 2, bearing outer ring 2 and damping ring 4 pass through buffer spring 5 elastic connection, and bearing outer ring 2 and damping ring 4 all are in same axle center, buffer spring 5 is provided with a plurality ofly, and a plurality of buffer spring 5 use the axle center of bearing outer ring 2 to be "annular" array distribution as the dot, when the bearing produced the radial vibration of small amplitude in the operation process, the vibrational force passes through bearing outer ring 2 and transmits to buffer spring 5, buffer spring 5 can effectively cushion the impact force, and then reduce the noise that the vibration produced, and effectively promote the holistic life of bearing, and through the buffer spring 5 of diversified setting, can carry out all-round buffering to the vibrational force, the shock attenuation effect is good.

Referring to fig. 1, 2 and 3, four buckling pieces 9 are provided, all of which are fixedly connected with the bearing inner ring 1 through the hydraulic column 8, and the four buckling pieces 9 form a circular hole, the buckling pieces 9 are fixedly connected with the shaft lever through the fixing bolt 10, and the buckling pieces 9 and the surface of the shaft lever are provided with screw holes which are matched with the fixing bolt 10, when the bearing inner ring 1 is connected with the shaft lever of the connecting device, the buckling pieces 9 are abutted to compress the hydraulic column 8, and the shaft lever is inserted between the buckling pieces 9, each buckling piece 9 is close to the shaft lever under the resilience of the hydraulic column 8 through the diameter of the shaft lever until abutting against the shaft lever, the fixing bolt 10 is rotated to connect and fix the buckling pieces 9 and the shaft lever, the compressed and rebounded hydraulic column 8 can adjust and control the radial distance between the buckling pieces 9, the flexibility is higher, and further adapts to different models of shaft levers, has wider application range.

Referring to fig. 4, oil storage chamber 11 is through connection with outer ring raceway 7 through defeated oil pipe way 12, and oil storage chamber 11 intussuseption is filled with lubricating oil, catch bar 14 passes through extrusion piston 13 activity and alternates inside oil storage chamber 11, extrusion piston 13 is the extrusion piston 13 of rubber material, there is the lubricating oil that is used for ball 3 lubrication in the oil storage chamber 11, make extrusion piston 13 move along oil storage chamber 11 forward through holding catch bar 14 tightly, can push into defeated oil pipe way 12 with lubricating oil under the effect of pressure, thereby get into outer ring raceway 7 and lubricate ball 3, reduce ball 3 and inner ring raceway 6, frictional force between the outer ring raceway 7, when reducing the frictional noise, effectively reduce the wearing and tearing of ball 3, promote its life.

The working principle is as follows: when the utility model is used, firstly, each buckling piece 9 is tightly propped against the hydraulic column 8, so that the hydraulic column 8 is compressed, further the radial distance of each buckling piece 9 is increased, then, the shaft lever of the connecting device is inserted between each buckling piece 9, each buckling piece 9 is close to the shaft lever under the resilience force of the hydraulic column 8 through the diameter of the shaft lever until the shaft lever is tightly propped against, the buckling pieces 9 and the shaft lever can be fixedly connected through the rotary fixing bolt 10, the radial distance between each buckling piece 9 can be adjusted and controlled by the compressed and rebounded hydraulic column 8, the flexibility is higher, further the model of different shaft levers is adapted, the application range is wider, then, the connecting device can be controlled to operate, so that the shaft lever drives the bearing to rotate, when the bearing generates small radial vibration in the operation process, the vibration force is transmitted to the buffer spring 5 through the bearing outer ring 2, the buffer spring 5 can effectively buffer the impact force, and then reduce the noise that the vibration produced, and effectively promote the holistic life of bearing, and buffer spring 5 through diversified setting, can carry out all-round buffering to the vibrational force, the shock attenuation effect is good, there is the lubricating oil that is used for ball 3 to lubricate in the oil storage chamber 11, make extrusion piston 13 move along oil storage chamber 11 forward through supporting tight catch bar 14, can push oil pipeline 12 with lubricating oil under the effect of pressure, thereby it lubricates ball 3 to get into outer loop raceway 7, reduce ball 3 and inner ring raceway 6, frictional force between the outer loop raceway 7, when reducing the frictional noise, effectively reduce the wearing and tearing of ball 3, promote its life.

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

1. The utility model provides a noise reduction bearing, includes bearing inner ring (1), bearing outer ring (2) and ball (3), its characterized in that: the bearing outer ring (2) is rotatably arranged at the periphery of the bearing inner ring (1), the balls (3) are inlaid between the bearing inner ring (1) and the bearing outer ring (2), the periphery of the bearing outer ring (2) is fixedly provided with the damping ring (4), the damping ring (4) and the bearing outer ring (2) are fixedly connected with the buffer spring (5), the outer wall of the bearing inner ring (1) is provided with the inner ring raceway (6), the inner wall of the bearing outer ring (2) is provided with the outer ring raceway (7), the inner wall of the bearing inner ring (1) is embedded with the hydraulic column (8), one end of the hydraulic column (8), which is far away from the bearing inner ring (1), is fixedly connected with the buckling sheet (9), the fixing bolt (10) is inserted in the inner movement of the buckling sheet (9), the oil storage cavity (11) is arranged in the bearing outer ring (2), the rear end of oil storage chamber (11) is connected with defeated oil pipe way (12), and the inside activity interlude of oil storage chamber (11) has extrusion piston (13), the front end fixed surface of extrusion piston (13) is connected with catch bar (14).

2. A noise reducing bearing according to claim 1, wherein: the bearing outer ring (2) is elastically connected with the damping ring (4) through a buffer spring (5), and the bearing outer ring (2) and the damping ring (4) are both located on the same axis.

3. A noise reducing bearing according to claim 1, wherein: the buffer springs (5) are arranged in a plurality, and the buffer springs (5) are distributed in an annular array mode by taking the axis of the bearing outer ring (2) as a round point.

4. A noise reducing bearing according to claim 1, wherein: the four buckling pieces (9) are fixedly connected with the bearing inner ring (1) through hydraulic columns (8), and the four buckling pieces (9) form a circular-ring-shaped hole.

5. A noise reducing bearing according to claim 1, wherein: the fastening piece (9) is fixedly connected with the shaft lever through a fixing bolt (10), screw holes are formed in the surface of the fastening piece (9) and the surface of the shaft lever, and the screw holes are matched with the fixing bolt (10).

6. A noise reducing bearing according to claim 1, wherein: the oil storage cavity (11) is communicated with the outer ring raceway (7) through an oil conveying pipeline (12), and lubricating oil is filled in the oil storage cavity (11).

7. A noise reducing bearing according to claim 1, wherein: the push rod (14) is movably inserted into the oil storage cavity (11) through the extrusion piston (13), and the extrusion piston (13) is made of rubber materials and is the extrusion piston (13).