Sealing structure of spherical self-aligning roller bearing

Through the spherical centering roller bearing seal structure and automatic lubrication device, the wear problem caused by dust intrusion is solved, the service life is extended and practicality is improved.

CN222334292UActive Publication Date: 2025-01-10DALIAN HUAWEI BEARING MFG CO LTD
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Patent Information

Application Number
CN202421400210.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-01-10
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

Traditional center-aligning roller bearings are susceptible to dust during use, causing roller operation to wear and reduce service life.

Method used

A spherical center-aligned roller bearing sealing structure is designed, adopting a combination of outer ring, inner ring, sealing ring, fixing device and lubricating device, through tooth block, T-bar, connecting spring, wire wheel, wire rope and oil brushing body Components such as sealing and automatic lubrication, prevent dust from entering and reducing wear of roller bodies.

Benefits of technology

It effectively prevents external debris from entering, extends the service life of roller bearings, and reduces the need for manual maintenance through automatic lubrication, and improves the practicality of roller bearings.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spherical self-aligning roller bearing sealing structure, which belongs to the technical field of self-aligning roller bearings and comprises an outer ring, ring bodies and sealing rings are arranged on two sides of the outer ring, and an inner ring and roller bodies are arranged in the outer ring. According to the spherical surface self-aligning roller bearing sealing structure, after the roller bodies are installed on the outer ring and the inner ring, the wheel bodies are pulled to enable the tooth blocks to be separated from the ring bodies, then the wheel bodies are rotated to enable the steel wire ropes to pull the clamping blocks to contract, then the tooth blocks are inserted into the ring bodies through assistance of the elastic force of the connecting springs, and the clamping blocks are limited; according to the roller bearing, the outer ring and the inner ring are arranged, then the ring body is in lap joint with the outer ring and the inner ring, the tooth blocks are pulled upwards, the clamping blocks are inserted into the outer ring through assistance of the elastic force of the positioning springs, then external sundries are effectively prevented from entering the roller bearing through cooperation of the sealing rings, and the roller bearing is more convenient to disassemble and maintain through cooperation of the fixing devices.
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Description

Technical Field

[0001] The utility model belongs to the technical field of spherical roller bearings, in particular to a spherical spherical roller bearing sealing structure. Background Art

[0002] A spherical roller bearing is a special bearing that has two rows of symmetrically arranged spherical rollers that can be freely adjusted in the spherical raceway inside the outer ring to compensate for the misalignment error between the shaft and the bearing seat. This type of bearing usually has two types: cylindrical bore and tapered bore. In addition, during the use of traditional spherical roller devices, due to the complex working environment, dust can easily enter the interior of the spherical roller bearing, causing wear of the rollers during operation, greatly reducing the service life of the spherical roller bearing. Utility Model Content

[0003] In order to overcome the above defects, the utility model provides a spherical spherical roller bearing sealing structure, which solves the problem that dust easily enters the interior of the traditional spherical roller bearing during use, thereby greatly reducing the service life of the spherical roller bearing.

[0004] To achieve the above object, the utility model provides the following technical solutions: a spherical self-aligning roller bearing sealing structure, comprising an outer ring, a ring body and a sealing ring are arranged on both sides of the outer ring, an inner ring and a roller body are arranged inside the outer ring, a lubricating device is arranged on the inner ring, a fixing device is arranged on the ring body, and the fixing device comprises a gear block;

[0005] The tooth block is provided with a wheel body and a T-shaped rod, the T-shaped rod is provided with a connecting spring and a wire wheel, both sides of the wire wheel are provided with steel wire ropes, and one end of the steel wire rope is provided with a positioning spring and a clamping block.

[0006] As a further solution of the utility model: the inner ring is inserted into the outer ring, and the roller body is installed on the inner ring and the outer ring, the sealing ring is fixedly connected to the ring body, and the ring body overlaps the outer ring and the inner ring.

[0007] As a further solution of the utility model: the wheel body is fixedly connected to the tooth block, the tooth block and the T-shaped rod are both inserted into the ring body, one end of the T-shaped rod is slidably connected to the tooth block, and the other end of the T-shaped rod passes through the connecting spring and is fixedly connected to the wire wheel.

[0008] As a further solution of the utility model: the two ends of the connecting spring are respectively fixedly connected to the wire wheel and the tooth block, one end of the wire rope is fixedly connected to the wire wheel, and the other end of the wire rope passes through the positioning spring and is fixedly connected to the clamping block.

[0009] As a further solution of the utility model: the block is slidably connected in the ring body, and one end of the block passes through the ring body and is inserted into the outer ring, the positioning spring is fixedly connected to the block, and the lubrication device includes a connecting pipe, a rubber plug body is inserted into the connecting pipe, and an annular tube is fixedly connected to the connecting pipe.

[0010] As a further solution of the utility model: a receiving groove is provided on the inner ring, and the annular tube is fixedly connected in the receiving groove, an oil brush body is fixedly connected to the receiving groove, and the oil brush body overlaps the roller body, and the oil brush body is arc-shaped.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The sealing structure of the spherical self-aligning roller bearing, after the roller body is installed on the outer ring and the inner ring, first pull the wheel body to disengage the tooth block from the plug-in connection with the ring body, then rotate the wheel body so that the T-shaped rod drives the wire wheel to rotate, so that the wire rope pulls the clamping block to shrink, and then the tooth block is inserted into the ring body with the assistance of the elastic force of the connecting spring to limit the clamping block, and then the ring body is overlapped on the outer ring and the inner ring, and the tooth block is pulled upward with the assistance of the elastic force of the positioning spring, so that the clamping block is inserted into the outer ring, and then through the cooperation of the sealing ring, the entry of foreign debris is effectively prevented, and through the cooperation of the fixing device, the roller bearing is more convenient to disassemble and repair.

[0013] 2. The sealing structure of the spherical self-aligning roller bearing first unscrews the rubber plug body, then injects the lubricating oil into the connecting pipe, and the lubricating oil is guided by the annular tube to flow into the receiving groove, and the lubricating oil is applied to the rolling roller body through the cooperation of the oil brush body, thereby greatly reducing the wear of the roller body, thereby increasing the service life of the roller bearing, and effectively avoiding frequent manual assistance in applying lubricating oil to the roller body, thereby greatly improving the practicality of the roller bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the fixing device of the utility model;

[0016] Figure 3 It is a schematic diagram of the lubrication device of the utility model;

[0017] In the figure: 1. Outer ring; 2. Inner ring; 3. Lubricating device; 301. Rubber plug body; 302. Connecting pipe; 303. Annular pipe; 304. Receiving groove; 305. Oil brush body; 4. Ring body; 5. Fixing device; 501. Tooth block; 502. Wheel body; 503. T-bar; 504. Connecting spring; 505. Reel; 506. Wire rope; 507. Positioning spring; 508. Block; 6. Sealing ring; 7. Roller body. DETAILED DESCRIPTION

[0018] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0019] like Figure 1-3 As shown, the utility model provides a technical solution: a spherical self-aligning roller bearing sealing structure, including an outer ring 1, both sides of the outer ring 1 are provided with a ring body 4 and a sealing ring 6, the inner ring 2 and the roller body 7 are provided inside the outer ring 1, the inner ring 2 is inserted into the outer ring 1, and the roller body 7 is installed on the inner ring 2 and the outer ring 1, the sealing ring 6 is fixedly connected to the ring body 4, and the ring body 4 overlaps the outer ring 1 and the inner ring 2; the cooperation between the ring body 4 and the sealing ring 6 effectively prevents the wear of the roller body 7 by dust, thereby greatly improving the service life of the roller body 7.

[0020] A lubrication device 3 is provided on the inner ring 2, and a fixing device 5 is provided on the ring body 4. The fixing device 5 includes a tooth block 501, and a wheel body 502 and a T-shaped rod 503 are provided on the tooth block 501. The wheel body 502 is fixedly connected to the tooth block 501, and the tooth block 501 and the T-shaped rod 503 are both inserted into the ring body 4. One end of the T-shaped rod 503 is slidably connected to the tooth block 501, and the other end of the T-shaped rod 503 passes through the connecting spring 504 and is fixedly connected to the line wheel 505; the wheel body 502 is pulled to disengage the tooth block 501 from the insertion with the ring body 4, and then the wheel body 502 is rotated and the line wheel 505 is driven to rotate through the cooperation of the T-shaped rod 503.

[0021] A connecting spring 504 and a pulley 505 are provided on the T-shaped rod 503, and the two ends of the connecting spring 504 are respectively fixedly connected to the pulley 505 and the tooth block 501, one end of the wire rope 506 is fixedly connected to the pulley 505, and the other end of the wire rope 506 passes through the positioning spring 507 and is fixedly connected to the block 508; the rotation of the pulley 505 causes one end of the wire rope 506 to be wound around it, and the other end of the pulley 505 will pull the block 508 to shrink, so that the subsequent staff can remove the ring body 4.

[0022] Steel wire ropes 506 are provided on both sides of the wire rope 505, and a positioning spring 507 and a block 508 are provided at one end of the steel wire rope 506. The block 508 is slidably connected in the ring body 4, and one end of the block 508 passes through the ring body 4 and is inserted into the outer ring 1. The positioning spring 507 is fixedly connected to the block 508. The lubricating device 3 includes a connecting pipe 302, a rubber plug body 301 is inserted into the connecting pipe 302, and an annular tube 303 is fixedly connected to the connecting pipe 302; and the elastic force of the positioning spring 507 is used to make the block 508 inserted into the outer ring 1, thereby realizing the fixation of the ring body 4.

[0023] A receiving groove 304 is provided on the inner ring 2, and the annular tube 303 is fixedly connected to the receiving groove 304, an oil brush body 305 is fixedly connected to the receiving groove 304, and the oil brush body 305 overlaps the roller body 7, and the oil brush body 305 is arc-shaped; remove the rubber plug body 301 to allow the lubricating oil to enter the receiving groove 304 through the annular tube 303, and then be smeared on the roller body 7 through the oil brush body 305.

[0024] The working principle of the utility model is as follows: first, the roller body 7 is installed on the outer ring 1 and the inner ring 2, and then the wheel body 502 is pulled and rotated, so that the T-shaped rod 503 drives the wire wheel 505 to rotate, so that the wire rope 506 pulls the block 508 to shrink, and then the tooth block 501 is used to limit the block 508 through the cooperation of the connecting spring 504, and then the ring body 4 is overlapped on the outer ring 1 and the inner ring 2, and the tooth block 501 is pulled upward through the cooperation of the positioning spring 507, so that the block 508 is inserted into the outer ring 1, and through the cooperation of the sealing ring 6, external debris is prevented from affecting the normal operation of the roller body 7, and then the rubber plug body 301 is unscrewed, and the lubricating oil is injected into the receiving groove 304, and then the lubricating oil is applied to the roller body 7 through the cooperation of the oil brush body 305.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0026] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A spherical self-aligning roller bearing sealing structure, comprising an outer ring (1), characterized in that: A ring body (4) and a sealing ring (6) are provided on both sides of the outer ring (1); an inner ring (2) and a roller body (7) are provided inside the outer ring (1); a lubricating device (3) is provided on the inner ring (2); a fixing device (5) is provided on the ring body (4); and the fixing device (5) comprises a tooth block (501); The tooth block (501) is provided with a wheel body (502) and a T-shaped rod (503), the T-shaped rod (503) is provided with a connecting spring (504) and a wire wheel (505), both sides of the wire wheel (505) are provided with steel wire ropes (506), and one end of the steel wire rope (506) is provided with a positioning spring (507) and a clamping block (508).

2. The spherical self-aligning roller bearing sealing structure according to claim 1, characterized in that: The inner ring (2) is inserted into the outer ring (1), and the roller body (7) is installed on the inner ring (2) and the outer ring (1), the sealing ring (6) is fixedly connected to the ring body (4), and the ring body (4) is overlapped on the outer ring (1) and the inner ring (2).

3. The spherical self-aligning roller bearing sealing structure according to claim 2, characterized in that: The wheel body (502) is fixedly connected to the tooth block (501), the tooth block (501) and the T-shaped rod (503) are both plugged into the ring body (4), one end of the T-shaped rod (503) is slidably connected to the tooth block (501), and the other end of the T-shaped rod (503) passes through the connecting spring (504) and is fixedly connected to the wire wheel (505).

4. The spherical self-aligning roller bearing sealing structure according to claim 3, characterized in that: The two ends of the connecting spring (504) are respectively fixedly connected to the wire wheel (505) and the tooth block (501), one end of the steel wire rope (506) is fixedly connected to the wire wheel (505), and the other end of the steel wire rope (506) passes through the positioning spring (507) and is fixedly connected to the clamping block (508).

5. The spherical self-aligning roller bearing sealing structure according to claim 4, characterized in that: The clamping block (508) is slidably connected in the ring body (4), and one end of the clamping block (508) passes through the ring body (4) and is inserted into the outer ring (1). The positioning spring (507) is fixedly connected to the clamping block (508). The lubricating device (3) comprises a connecting pipe (302), a rubber plug body (301) is inserted into the connecting pipe (302), and an annular pipe (303) is fixedly connected to the connecting pipe (302).

6. A spherical self-aligning roller bearing sealing structure according to claim 5, characterized in that: The inner ring (2) is provided with a receiving groove (304), and the annular tube (303) is fixedly connected in the receiving groove (304). An oil brush body (305) is fixedly connected to the receiving groove (304), and the oil brush body (305) is overlapped on the roller body (7), and the oil brush body (305) is in an arc shape.