CN219082080U

CN219082080U - Cylindrical roller with high strength for bearing

Info

Publication number: CN219082080U
Application number: CN202223231252.4U
Authority: CN
Inventors: 于永生; 徐美霞; 随田政; 倪承帅; 赵海富; 刘福达
Original assignee: Wafangdian Dongxu Non Standard Shaft Group Co ltd
Current assignee: Wafangdian Dongxu Non Standard Shaft Group Co ltd
Priority date: 2022-12-04
Filing date: 2022-12-04
Publication date: 2023-05-26
Anticipated expiration: 2032-12-04

Abstract

The utility model discloses a high-strength cylindrical roller for a bearing, which belongs to the technical field of bearing rollers and comprises a cylindrical rolling body, wherein a hard alloy layer is embedded and arranged outside the cylindrical rolling body, and a plurality of sealing heat-conducting sheets embedded and sealed in side ports are fixedly connected to an inner cavity of the hard alloy layer. This cylinder roller for bearing that intensity is high is through setting up sealed conducting strip and elasticity and attaches oily subassembly, when the cylinder rolling element receives friction influence production heat, make the heat can be through sealed conducting strip guide to sealed chamber in, gaseous in the sealed chamber can upwards attach oily subassembly ejecting opening with elasticity through the inflation this moment, make the elasticity attach oily subassembly contact bearing's inner and outer circle, and then make the cylinder rolling element play lubricated effect through the lubricating oil of adhesion in the elasticity attaches oily subassembly at rotatory operation, reduce the wearing and tearing of cylinder rolling element, reduce the problem of cylinder rolling element at the easy deformation of high temperature simultaneously, and then guaranteed the life of cylinder rolling element.

Description

Cylindrical roller with high strength for bearing

Technical Field

The utility model belongs to the technical field of bearing rollers, and particularly relates to a cylindrical roller with high strength for a bearing.

Background

The cylindrical roller bearing is generally composed of an inner ring, an outer ring, cylindrical rollers and a roller retainer, when the inner ring and the outer ring rotate relatively, the cylindrical rollers roll on raceways of the inner ring and the outer ring, and the cylindrical rollers are separated by the roller retainer, so that mutual friction is avoided.

At present, cylindrical rollers in the prior art are generally of solid cylinder structures, when the lubrication effect inside a bearing is reduced, friction occurs between the cylindrical rollers and other contact surfaces, large heat is easily generated, deformation is easily generated, the surfaces are easily worn, the service life of the cylindrical rollers is reduced, and therefore improvement is needed.

Disclosure of Invention

In order to overcome the defects, the utility model provides the cylindrical roller for the bearing with high strength, and the problems that the cylindrical roller in the prior art is generally of a solid cylinder structure, when the lubrication effect inside the bearing is reduced, the cylindrical roller rubs with other contact surfaces, larger heat is easy to generate, deformation is easy to generate, the surface is easy to wear, and the service life of the cylindrical roller is reduced are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cylinder roller for bearing that intensity is high, includes the cylinder rolling element, the outside of cylinder rolling element inlays and establishes and install the carbide layer, the inner chamber fixedly connected with of carbide layer is a plurality of gomphosis seal heat conducting strip in the side mouth, and seal heat conducting strip pass the side mouth and lie in same one side with the lateral wall of sealed chamber, be equipped with elasticity in the sealed chamber and attach oily subassembly, and elasticity attaches oily subassembly extension and lie in two openings.

As a further aspect of the utility model: the shape of the side opening is matched with that of the sealing heat conducting fin, and two adjacent openings correspond to each other.

As a further aspect of the utility model: the opening corresponds to the sealing cavity in position, and the outer opening and the inner opening are respectively arranged on the hard alloy layer and the cylindrical rolling body.

As a further aspect of the utility model: the elastic oil attaching assembly comprises a piston, the piston slides in the sealing cavity, and the top of the piston is fixedly connected with oil absorbing cotton positioned in the opening.

As a further aspect of the utility model: one side of the piston, which is far away from the oil absorbing cotton, is fixedly connected with a spring, and one end of the spring is fixedly connected with the inner wall of the sealing cavity.

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

1. this cylinder roller for bearing that intensity is high is through setting up sealed conducting strip and elasticity and attaches oily subassembly, when the cylinder rolling element produces heat owing to receiving the friction influence, make the heat can be through sealed conducting strip guide to sealed chamber in, gaseous in the sealed chamber can upwards attach oily subassembly ejecting opening with elasticity through the inflation this moment, make the elasticity attach oily subassembly contact bearing's inner and outer circle, and then make the cylinder rolling element play lubricated effect through the lubricating oil of adhesion in the oily subassembly of elasticity in rotatory operation, reduce the wearing and tearing of cylinder rolling element, reduce the problem of cylinder rolling element at the easy deformation of high temperature simultaneously, and then guaranteed the life of cylinder rolling element.

2. The cylindrical roller for the bearing with high strength is provided with the hard alloy layer, and the hard alloy layer has good mechanical strength, so that the supporting strength of the cylindrical rolling body can be enhanced, and the problem that deformation is caused by environmental influence is reduced.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of a cylindrical rolling element according to the present utility model;

FIG. 4 is a schematic view of a three-dimensional cross-sectional structure of a cemented carbide layer according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

in the figure: 1 hard alloy layer, 2 opening, 3 cylinder rolling body, 4 sealing heat conducting sheet, 5 side opening, 6 elastic oil attaching component, 61 spring, 62 piston, 63 oil absorbing cotton, 7 sealing cavity.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-5, the present utility model provides a technical solution: the cylindrical roller for the bearing with high strength comprises a cylindrical rolling body 3, wherein a hard alloy layer 1 is embedded and arranged outside the cylindrical rolling body 3, and the hard alloy layer 1 has good mechanical strength, so that the supporting strength of the cylindrical rolling body 3 can be enhanced, and the problem of deformation caused by environmental influence is reduced;

the inner cavity of the hard alloy layer 1 is fixedly connected with a plurality of sealing heat conducting fins 4 embedded and sealed in the side opening 5, the sealing heat conducting fins 4 are attached to the side opening 5 to play a sealing role, gas is prevented from being discharged, and meanwhile, the sealing heat conducting fins 4 can quickly transfer heat to the sealing cavity 7 at the first time, and then the gas can be quickly heated to play an expansion role;

the sealing heat conducting fin 4 passes through the side opening 5 and is positioned on the same surface with the side wall of the sealing cavity 7, the shape of the side opening 5 is matched with the shape of the sealing heat conducting fin 4, two adjacent openings 2 are mutually corresponding, the positions of the openings 2 and the sealing cavity 7 are corresponding, the opening 2 is designed to facilitate the movement of the oil absorbing cotton 63, and the oil absorbing cotton 63 is convenient for lubricating oil smearing operation;

the outer opening 2 and the inner opening 2 are respectively arranged on the hard alloy layer 1 and the cylindrical rolling body 3, an elastic oil attaching assembly 6 is arranged in the sealing cavity 7, the elastic oil attaching assembly 6 comprises a piston 62, the piston 62 slides in the sealing cavity 7, the top of the piston 62 is fixedly connected with oil absorbing cotton 63 positioned in the opening 2, when the temperature of the gas in the sealing cavity 7 rises to expand, the gas expands to smoothly push the oil absorbing cotton 63 out of the opening 2 through the piston 62, and further lubricating oil on the oil absorbing cotton 63 is conveniently smeared, so that the automatic lubrication operation of the cylindrical rolling body 3 can be smoothly realized;

one surface of the piston 62, which is far away from the oil absorbing cotton 63, is fixedly connected with a spring 61, the design of the spring 61 can drive the piston 62 to reset, so that the piston 62 drives the oil absorbing cotton 63 to retract and reset smoothly, one end of the spring 61 is fixedly connected with the inner wall of the sealing cavity 7, and the elastic oil attaching component 6 extends to be positioned in the two openings 2.

The working principle of the utility model is as follows:

when the cylindrical rolling body 3 rotates, if friction is severe between the hard alloy layer 1 and the bearing, the hard alloy layer 1 generates heat, the sealing heat conducting fin 4 can absorb the heat and guide the heat to the sealing cavity 7, the temperature rising gas in the sealing cavity 7 expands, the high-temperature gas overcomes the elastic force of the spring 61 and pushes the piston 62 to move, the oil absorbing cotton 63 is pushed out of the opening 2 upwards, the oil absorbing cotton 63 contacts the inner ring and the outer ring of the bearing, the lubricating liquid in the oil absorbing cotton 63 can be smeared on the inner ring and the outer ring of the bearing, the hard alloy layer 1 can be lubricated by the lubricating oil, and the spring 61 elastic force can drive the oil absorbing cotton 63 to retract and reset when the temperature of the hard alloy layer 1 is reduced.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims

1. The utility model provides a cylindrical roller for bearing that intensity is high, includes cylinder rolling element (3), its characterized in that: the outside of cylinder rolling element (3) inlays and establishes installs carbide layer (1), the inner chamber fixedly connected with of carbide layer (1) a plurality of gomphosis seal conducting strip (4) in side mouth (5), and seal conducting strip (4) pass side mouth (5) and lie in same one side with the lateral wall of sealed chamber (7), be equipped with elasticity in sealed chamber (7) and attach oily subassembly (6), and elasticity attaches oily subassembly (6) extension and lie in two openings (2).

2. The high-strength cylindrical roller for bearings according to claim 1, wherein: the shape of the side opening (5) is matched with the shape of the sealing heat conducting fin (4), and two adjacent openings (2) are mutually corresponding.

3. The high-strength cylindrical roller for bearings according to claim 1, wherein: the opening (2) corresponds to the sealing cavity (7), and the outer opening (2) and the inner opening (2) are respectively arranged on the hard alloy layer (1) and the cylindrical rolling body (3).

4. The high-strength cylindrical roller for bearings according to claim 1, wherein: the elastic oil attaching assembly (6) comprises a piston (62), the piston (62) slides in the sealing cavity (7), and the top of the piston (62) is fixedly connected with oil absorbing cotton (63) positioned in the opening (2).

5. The high-strength cylindrical roller for bearings according to claim 4, wherein: one surface of the piston (62) far away from the oil absorbing cotton (63) is fixedly connected with a spring (61), and one end of the spring (61) is fixedly connected with the inner wall of the sealing cavity (7).