CN211737768U

CN211737768U - High-precision cylindrical roller bearing

Info

Publication number: CN211737768U
Application number: CN202020306412.9U
Authority: CN
Inventors: 任仁夫
Original assignee: Shaoxing Fulong Bearing Co ltd
Current assignee: Shaoxing Fulong Bearing Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-10-23
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a high accuracy cylindrical roller bearing relates to the bearing, aims at solving roller surface lubricity and reduces, influences bearing life's problem, and its technical scheme main points are: the retainer comprises two annular side plates, a plurality of arc-shaped first retaining pieces and second retaining pieces are distributed between the adjacent side plates in an annular array mode, rolling bodies are rotatably connected between the first retaining pieces and the second retaining pieces, one sides of the first retaining pieces and the second retaining pieces, back to the rolling bodies, are fixedly connected with connecting blocks, and one sides of the first retaining pieces and the second retaining pieces, facing the rolling bodies, are provided with oil storage tanks. The utility model discloses a setting of curved shape recess and oil storage tank, the oil reserve in the increase roller bearing, and can play lubricated effect to the surface of rolling element, reduce the wearing and tearing between rolling element and the outer lane, improve roller bearing's life, and pass through the circular arc transition at rolling element both ends, make the effort that is used in on the rolling element decompose, improve roller bearing's bearing capacity.

Description

High-precision cylindrical roller bearing

Technical Field

The utility model relates to a bearing, more specifically say, it relates to a high accuracy cylindrical roller bearing.

Background

The roller bearing is one of rolling bearings, is one of the parts widely used in modern machinery, and supports the rotating parts by means of rolling contact between main elements, and is mostly standardized, and has the advantages of small moment required for starting, high rotating precision, convenient selection and the like.

However, when the bearing works, the oil supply in the bearing is insufficient, the oil return efficiency is low, the surface lubricity of the roller is reduced, and in addition, the working time is long, the retainer in the bearing is easy to damage, so that the service life of the bearing is short.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

An it is not enough to prior art existence, the utility model aims to provide a high accuracy cylindrical roller bearing, through the setting of curved shape recess and oil storage tank, the oil reserve in the increase roller bearing when roller bearing uses, can play lubricated effect to the surface of rolling element, reduces the wearing and tearing between rolling element and the outer lane, improves roller bearing's life, and passes through the circular arc at rolling element both ends, makes the effort of acting on the rolling element decompose, improves roller bearing's bearing capacity.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a high accuracy cylindrical roller bearing, includes outer lane, inner circle and is located the holder between outer lane and the inner circle, the holder includes two annular curb plates, and is adjacent annular array distributes between the curb plate has a plurality of curved keeping piece one and keep piece two that are, it is connected with the rolling element to keep piece one and keep rotating between the piece two, keep piece one and keep one side fixedly connected with connecting block of piece two back to the rolling element, be equipped with the oil storage piece on the connecting block, the oil storage tank has been seted up towards one side of rolling element to keep piece one and keep piece two.

Through adopting above-mentioned technical scheme, be the arc through setting up the holding piece one and holding piece two, and the rolling element rotates to be connected between holding piece one and holding piece two, through offering the oil storage tank towards rolling element one side at holding piece one and holding piece two, make people when oiling lubricated operation for the bearing, enable lubricating oil and adhere to in the oil storage tank of rolling element and holding piece one and holding piece two, thereby at the rolling in-process of rolling element, can play lubricated effect to the rolling element, and through the setting of oil storage piece, can store unnecessary grease, reduce the frequency that people refueled for the bearing, and then improve the life of bearing.

The utility model discloses further set up to: and a rotating shaft penetrating through the rolling body is fixedly connected between the adjacent side plates, and the rolling body is rotationally connected to the rotating shaft.

Through adopting above-mentioned technical scheme, through the setting of pivot for two adjacent curb plates can be firm connect and play spacing effect to the rolling element, and the pivot runs through the rolling element and rotates with the rolling element to be connected, thereby can play the effect of location to the rolling element, make the bearing during operation, the rolling element can steady rotation.

The utility model discloses further set up to: be equipped with the circular arc transition between the side of rolling element and the bottom surface, set up the guide way that is used for holding the rolling element on the outer lane, the inner wall of guide way with the periphery wall sliding connection of rolling element.

Through adopting above-mentioned technical scheme, because be equipped with the circular arc transition between the side of rolling element and the bottom surface to through the setting of guide way, can increase the arcwall face of outer lane and rolling element contact, and then increase roller bearing's load-carrying capacity.

The utility model discloses further set up to: a groove which is arranged along the length direction of the guide groove and is curved is formed in the guide groove.

Through adopting above-mentioned technical scheme, set up the recess that is curved shape in through the guide way to when the rolling element rotated, make the grease on rolling element surface can enter into the recess, store the grease, and at the bearing during operation, the grease in the recess also can lubricate the surface of rolling element at the rolling in-process of rolling element, reduce the frictional force between outer lane and the rolling element, reduce the wearing and tearing of rolling element and outer lane.

The utility model discloses further set up to: the first holding piece and the second holding piece are made of HPb59-1 lead brass, the rolling body is made of GCr15 bearing steel, and a gap is formed between the first holding piece and the outer peripheral wall of the rolling body and between the second holding piece and the outer peripheral wall of the rolling body.

By adopting the technical scheme, the first holding sheet and the second holding sheet are made of HPb59-1 lead brass, and the HPb59-1 lead brass has good surface quality, so that the surfaces of the first holding sheet and the second holding sheet are kept smooth and are convenient for people to process, the rolling bodies are made of GCr15 bearing steel, and the GCr15 bearing steel has good strength and wear-resisting property, is not easy to deform, prolongs the service life of the rolling bodies, and further improves the service life and the bearing capacity of the bearing.

The utility model discloses further set up to: the side plates are formed by integrally processing cold-rolled carbon steel sheets, and the oil storage block is a sponge body bonded on the connecting block.

By adopting the technical scheme, the side plate is integrally processed by the cold-rolled carbon steel sheet, so that the side plate has high hardness and wear resistance of the cold-rolled carbon steel sheet, the side plate has good dimensional stability, and the sponge body is used as the oil storage block, so that redundant grease can be absorbed and stored through the sponge body when people add lubricating oil.

To sum up, the utility model discloses following beneficial effect has:

the rolling bodies are limited by the first arc-shaped retaining sheet and the second arc-shaped retaining sheet, and the oil storage grooves are formed in the sides, facing the rolling bodies, of the first retaining sheet and the second retaining sheet, so that redundant lubricating oil in the bearing can be stored, and in the rolling process of the rolling bodies, the surface of the rolling body is lubricated, the oil storage amount of the roller bearing can be increased through the arrangement of the oil storage block, and when the roller bearing works, lubricating oil is coated on the inner wall of the outer ring under the centrifugal action to reduce the friction force between the outer ring and the rolling body, further reducing the abrasion of the rolling body and the outer ring and prolonging the service life of the roller bearing, and the side surface and the two bottom surfaces of the rolling body are provided with arc transition and are rotationally connected in the guide groove, the acting force acting on the rolling body can be decomposed through the arrangement of arc transition, so that the bearing capacity of the roller bearing is improved.

Drawings

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

FIG. 2 is an exploded view of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2.

In the figure: 1. an outer ring; 2. an inner ring; 3. a side plate; 4. a first holding sheet; 5. a second holding sheet; 6. a rolling body; 7. an oil storage block; 8. an oil storage tank; 9. a rotating shaft; 10. a guide groove; 11. and (4) a groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A high-precision cylindrical roller bearing is shown in figures 1 to 3 and comprises an outer ring 1, an inner ring 2 and a retainer positioned between the outer ring 1 and the inner ring 2, wherein the retainer comprises two annular side plates 3, the side plates 3 are integrally processed by a cold-rolled carbon steel sheet, a plurality of arc-shaped retaining sheets I4 and retaining sheets II 5 are distributed between the adjacent side plates 3 in an annular array manner, the retaining sheets I4 and the retaining sheets II 5 are made of HPb59-1 lead brass, rolling bodies 6 processed by GCr15 bearing steel materials are connected between the retaining sheets I4 and the retaining sheets II 5 in a rotating manner, the rolling bodies 6 are cylindrical, through holes are formed in the axes of the rolling bodies 6, so that the rolling bodies 6 can be rotatably connected between the two side plates 3 through rotating shafts 9, arc transition is arranged between the side surfaces of the rolling bodies 6 and the two bottom surfaces of the rolling bodies, and arc-shaped concave parts of the retaining sheets I4 and the retaining sheets II 5 are arranged, and there is the clearance between the first 4 of keeper piece and the second 5 of keeper piece, wherein one side fixedly connected with connecting block that the first 4 of keeper piece and the second 5 of keeper piece kept away from rolling element 6, and bond the cavernosum as oil storage piece 7 on the surface of connecting block, and the through-hole with the cavernosum intercommunication is seted up to keeper piece one 4 and keeper piece two 5, and set up the oil storage tank 8 with the through-hole intercommunication in keeper piece one 4 and keeper piece two 5 one side towards rolling element 6, oil storage tank 8 is the wavy, wherein offer the guide way 10 that is used for holding rolling element 6 on the inner wall of outer lane 1, the inner wall of guide way 10 and the periphery wall sliding connection of rolling element 6, and set up and be curved recess 11 along guide way 10 length direction in the guide way 10.

In the process of producing and using the roller bearing, lubricating oil is sprayed between the rolling body 6 and the outer ring 1, then the outer ring 1 is rotated and repeatedly sprayed, because the oil storage groove 8 is formed in one side, facing the rolling body 6, of the first retaining sheet 4 and the second retaining sheet 5, redundant lubricating oil on the surface of the rolling body 6 can be stored, the first retaining sheet 4 is connected with the adjacent second retaining sheet 5 through the connecting block, the sponge body is adhered to the outer surface of the connecting block to serve as the oil storage block 7, the redundant lubricating oil is absorbed in the sponge body to be stored through the honeycomb structure of the sponge body, the guide groove 10 is formed in the inner wall of the outer ring 1, the rolling body 6 can be further guided, and arc transition is formed between the side surface and the two bottom surfaces of the rolling body 6, so that the length of line contact between the rolling body 6 and the outer ring 1 can be increased, and then through the setting of circular arc transition, can make the effort that acts on the circular arc transition decompose, thus increase the bearing capacity of the roller bearing, when the roller bearing is worked, because the groove 11 is opened in the guide way 10, thus in the course that the rolling element 6 rolls, through the lubricating oil in groove 11 and oil storage tank 8, in the course that the rolling element 6 rolls, can lubricate the surface of the rolling element 6, thus reduce the friction between rolling element 6 and outer lane 1, and then make the roller bearing rotate more smoothly, and through the sponge body that the surface of connecting block bonds, can increase the lubricating oil stored in the roller bearing, when the roller bearing rotates, make the lubricating oil on the oil storage block 7 contact with the inner wall of the outer lane 1 under the influence of centrifugal force, thus increase the lubricating oil between outer lane 1 and rolling element 6, play a role of lubrication, thus can reduce the frequency that people add lubricating oil to the roller bearing, and the service life of the roller bearing is prolonged.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high accuracy cylindrical roller bearing, includes outer lane (1), inner circle (2) and is located the holder between outer lane (1) and inner circle (2), its characterized in that: the holder includes two annular curb plates (3), and is adjacent annular array distributes between curb plate (3) has a plurality of curved keeping piece (4) and keeping piece two (5) of being, it is connected with rolling element (6) to keep piece (4) and keep rotating between piece two (5), keep piece one (4) and keep piece two (5) one side fixedly connected with connecting block of rolling element (6) dorsad, be equipped with oil storage piece (7) on the connecting block, oil storage tank (8) have been seted up towards one side of rolling element (6) to keep piece one (4) and keep piece two (5).

2. A high-precision cylindrical roller bearing according to claim 1, characterized in that: and a rotating shaft (9) penetrating through the rolling body (6) is fixedly connected between the adjacent side plates (3), and the rolling body (6) is rotatably connected to the rotating shaft (9).

3. A high-precision cylindrical roller bearing according to claim 2, characterized in that: be equipped with the circular arc transition between the side of rolling element (6) and the bottom surface, offer guide way (10) that are used for holding rolling element (6) on outer lane (1), the inner wall of guide way (10) with the periphery wall sliding connection of rolling element (6).

4. A high-precision cylindrical roller bearing according to claim 3, characterized in that: a groove (11) which is arranged along the length direction of the guide groove (10) and is curved is formed in the guide groove (10).

5. A high-precision cylindrical roller bearing according to claim 4, characterized in that: the retaining piece I (4) and the retaining piece II (5) are made of HPb59-1 lead brass, the rolling body (6) is made of GCr15 bearing steel, and a gap is formed between the retaining piece I (4) and the retaining piece II (5) and the outer peripheral wall of the rolling body (6).

6. A high-precision cylindrical roller bearing according to claim 5, characterized in that: the side plate (3) is integrally processed by a cold-rolled carbon steel sheet, and the oil storage block (7) is a sponge body adhered to the connecting block.