A tapered roller bearing with noise reduction function

By setting up a lubricating noise reduction structure in tapered roller bearings, the problems of increasing noise and shortening of service life during the use of the bearing are solved, and the effect of reducing friction and improving noise reduction capabilities is achieved.

CN222731934UActive Publication Date: 2025-04-08DALIAN GUANGYANG BEARING
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Patent Information

Application Number
CN202421706995.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-04-08
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

During the use of existing tapered roller bearings, due to the increased friction between the outer ring and the inner ring of the bearing and the tapered roller body, the noise increases, which affects the service life of the machinery.

Method used

A tapered roller bearing with noise reduction function is designed. By setting a lubricating noise reduction structure in the hollow structure of the outer ring of the bearing, including oil outlet holes, oil inlet frames, oil storage ring blocks, oil supply frames and oil conduction frames, the lubricity is increased, wear is reduced, and noise reduction ability is improved.

Benefits of technology

By increasing lubrication, reducing friction, significantly reducing noise, extending bearing service life, and improving overall noise reduction capabilities.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tapered roller bearing with a noise reduction function, belonging to the technical field of tapered roller bearings, comprising a bearing outer ring and a bearing inner ring, a retaining frame is arranged between the bearing outer ring and the bearing inner ring, the inner wall of the retaining frame is rotatably connected with a tapered roller body, a lubrication and noise reduction structure is arranged between the bearing outer ring and the bearing inner ring, an auxiliary protection structure is arranged on one side of the lubrication and noise reduction structure, the lubrication and noise reduction structure comprises a plurality of oil outlet holes, and the tapered roller bearing with the noise reduction function, by arranging the lubrication and noise reduction structure, under the action of the hollow structure of the bearing outer ring, cooperates with an oil storage ring block, so that an oil inlet circular frame and an oil delivery circular frame can pour the lubricating oil inside the oil storage ring block into the bearing outer ring, and then under the action of the oil outlet hole, the lubricating oil can drip between the bearing outer ring and the bearing inner ring, thereby increasing the lubrication degree, reducing the wear, and improving the overall noise reduction capability.
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Description

Technical Field

[0001] The utility model belongs to the technical field of tapered roller bearings, in particular to a tapered roller bearing with a noise reduction function. Background Art

[0002] Tapered roller bearings are separable bearings, and both the inner and outer rings of the bearings have tapered raceways. This type of bearing is divided into single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers installed. Single-row tapered roller bearings can withstand radial loads and axial loads in a single direction. When the bearing is subjected to radial loads, an axial force component will be generated, so another bearing that can withstand the axial force in the opposite direction is needed to balance it.

[0003] The tapered roller bearing in the prior art mainly comprises a bearing outer ring, a bearing inner ring, a retainer and a tapered roller body. When in use, the tapered roller body and the retainer are installed, and the retainer is installed between the bearing outer ring and the bearing inner ring.

[0004] However, in actual use, the friction between the outer ring and inner ring of the bearing and the tapered roller body increases with the use time, which in turn generates a loud noise when rotating. The noise affects the use of the machine, and the increased friction shortens the service life of the bearing. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a tapered roller bearing with a noise reduction function, which solves the problem that in actual use, the friction between the outer ring and the inner ring of the bearing and the tapered roller body increases with the use time, thereby emitting a large noise when rotating, which affects the use of the machinery, and the increased friction shortens the service life of the bearing.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tapered roller bearing with noise reduction function, comprising a bearing outer ring and a bearing inner ring, a retaining frame is arranged between the bearing outer ring and the bearing inner ring, a tapered roller body is rotatably connected to the inner wall of the retaining frame, a lubrication and noise reduction structure is arranged between the bearing outer ring and the bearing inner ring, an auxiliary protection structure is arranged on one side of the lubrication and noise reduction structure, the lubrication and noise reduction structure comprises a plurality of oil outlet holes, the bearing outer ring is a hollow structure, the oil outlet holes are opened inside the bearing outer ring, the oil outlet holes are arranged in an equidistant circumferential pattern, and a plurality of oil inlet circular frames are fixedly connected to one side of the outer surface of the bearing outer ring.

[0009] As a further solution of the utility model: an oil delivery circular frame is inserted into the inner wall of the oil inlet circular frame, and an oil storage ring block is fixedly connected to one side of the outer surface of the oil delivery circular frame.

[0010] As a further solution of the utility model: the inner wall of the oil storage ring block is fixedly connected with an oil guide circular frame, and the inner wall of the oil guide circular frame is clamped with a piston block.

[0011] As a further solution of the utility model: the inner wall of the oil storage ring block is fixedly connected with an annular auxiliary plate, the inner wall of the annular auxiliary plate is threadedly connected with a threaded clamping rod, one side of the outer surface of the bearing inner ring is provided with a threaded clamping hole, and the threaded clamping rod and the threaded clamping hole are detachably threadedly connected.

[0012] As a further solution of the utility model: the auxiliary protection structure includes an annular clamping block, one side of the outer surface of the annular clamping block is fixedly connected to the outer surface of the oil storage ring block, and one side of the outer surface of the annular clamping block is provided with a plurality of threaded holes arranged equidistantly in a circumferential direction.

[0013] As a further solution of the utility model: an annular clamping frame is clamped on the outer surface of the annular clamping block, a protective plate is fixedly connected to the inner wall of the annular clamping frame, and a protective ring plate is fixedly connected to the inner wall of the protective plate.

[0014] As a further solution of the utility model: a round plug hole is opened on the inner wall of the annular clamping frame, a threaded plug rod is inserted into the inner wall of the round plug hole, and the threaded plug rod is detachably clamped with the threaded hole.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The tapered roller bearing with noise reduction function is provided with a lubrication noise reduction structure. Under the action of the hollow structure of the outer ring of the bearing, the oil storage ring block is matched, so that the oil inlet circular frame and the oil delivery circular frame can pour the lubricating oil inside the oil storage ring block into the outer ring of the bearing, and then under the action of the oil outlet hole, the lubricating oil can drip between the outer ring of the bearing and the inner ring of the bearing, thereby increasing the lubrication, reducing wear, and improving the overall noise reduction ability.

[0018] 2. The tapered roller bearing with noise reduction function is provided with a threaded clamping rod and a threaded clamping hole, so that the oil storage ring block can be assisted to be disassembled and assembled with the inner ring of the bearing, thereby facilitating the auxiliary addition of lubricating oil to the outer ring of the bearing.

[0019] 3. The tapered roller bearing with noise reduction function can assist in disassembly and assembly of the protective plate by setting an auxiliary protective structure under the action of the annular clamping frame and the annular clamping block, and then can be fixed in conjunction with the threaded hole under the action of components such as the threaded plug rod, thereby providing auxiliary protection for the inner wall of the lubrication noise reduction structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a three-dimensional structural diagram of the outer ring of the bearing of the utility model;

[0022] Figure 3 This is a three-dimensional structural diagram of the oil storage ring block of the utility model;

[0023] Figure 4 It is a three-dimensional structural diagram of the protective plate of the utility model;

[0024] In the figure: 1. bearing outer ring; 2. bearing inner ring; 3. cage; 4. tapered roller body; 5. lubrication and noise reduction structure; 51. oil outlet hole; 52. oil inlet circular frame; 53. oil storage ring block; 54. oil delivery circular frame; 55. oil guide circular frame; 56. piston block; 57. annular auxiliary plate; 58. threaded clamping rod; 59. threaded clamping hole; 6. auxiliary protection structure; 61. annular clamping block; 62. threaded hole; 63. annular clamping frame; 64. protection plate; 65. protection ring plate; 66. round plug hole; 67. threaded plug rod. DETAILED DESCRIPTION

[0025] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0026] like Figure 1-4As shown, the utility model provides a technical solution: a tapered roller bearing with noise reduction function, comprising a bearing outer ring 1 and a bearing inner ring 2, a retainer 3 is arranged between the bearing outer ring 1 and the bearing inner ring 2, the inner wall of the retainer 3 is rotatably connected with a tapered roller body 4, and a lubrication noise reduction structure 5 is arranged between the bearing outer ring 1 and the bearing inner ring 2. By setting the lubrication noise reduction structure 5, under the action of the hollow structure of the bearing outer ring 1, in cooperation with the oil storage ring block 53, the oil inlet circular frame 52 and the oil delivery circular frame 54 can pour the lubricating oil inside the oil storage ring block 53 into the bearing outer ring 1, and then under the action of the oil outlet hole 51, the lubricating oil can drip between the bearing outer ring 1 and the bearing inner ring 2, thereby increasing the lubrication degree, reducing the wear, and improving the overall noise reduction ability. An auxiliary protection structure 6 is provided on one side of the lubrication and noise reduction structure 5. By providing the auxiliary protection structure 6, the protection plate 64 can be assisted in disassembly and assembly under the action of the annular clamping frame 63 and the annular clamping block 61, and then it can be fixed in conjunction with the threaded hole 62 under the action of the threaded plug rod 67 and other components, so that the inner wall of the lubrication and noise reduction structure 5 can be assisted in protection. The lubrication and noise reduction structure 5 includes a plurality of oil outlet holes 51. The bearing outer ring 1 is a hollow structure. The oil outlet holes 51 are opened inside the bearing outer ring 1. The oil outlet holes 51 are arranged in an equidistant circle. A plurality of oil inlet circular frames 52 are fixedly connected to one side of the outer surface of the bearing outer ring 1. By providing the oil inlet circular frame 52, it can cooperate with other components so that lubricating oil can drip from the oil outlet hole 51 for auxiliary lubrication.

[0027] Specifically, Figure 2-Figure 3 As shown, an oil delivery circular frame 54 is inserted into the inner wall of the oil inlet circular frame 52, and an oil storage ring block 53 is fixedly connected to one side of the outer surface of the oil delivery circular frame 54, and an oil guide circular frame 55 is fixedly connected to the inner wall of the oil storage ring block 53. By setting the oil storage ring block 53, the lubricating oil can be transferred in cooperation with the oil guide circular frame 55, and a piston block 56 is clamped on the inner wall of the oil guide circular frame 55, and an annular auxiliary plate 57 is fixedly connected to the inner wall of the oil storage ring block 53, and a threaded clamping rod 58 is threadedly connected to the inner wall of the annular auxiliary plate 57, and a threaded clamping hole 59 is opened on one side of the outer surface of the bearing inner ring 2. By setting the threaded clamping rod 58 and the threaded clamping hole 59, the annular auxiliary plate 57 can be cooperated for auxiliary disassembly and assembly, and the threaded clamping rod 58 and the threaded clamping hole 59 are detachably threadedly connected.

[0028] Specifically, Figure 3 and Figure 4As shown, the auxiliary protection structure 6 includes an annular clamping block 61, one side of the outer surface of the annular clamping block 61 is fixedly connected to the outer surface of the oil storage ring block 53, and one side of the outer surface of the annular clamping block 61 is provided with a plurality of threaded holes 62 equidistantly arranged in a circumferential direction. By providing the annular clamping block 61, the protection plate 64 can be disassembled and assembled in cooperation with the annular clamping frame 63. The outer surface of the annular clamping block 61 is clamped with the annular clamping frame 63, and the inner wall of the annular clamping frame 63 is fixedly connected with the protection plate 64. By providing the protection plate 64, the internal components of the oil storage ring block 53 can be protected. The inner wall of the protection plate 64 is fixedly connected with a protection ring plate 65. A circular plug hole 66 is provided on the inner wall of the annular clamping frame 63, and a threaded plug rod 67 is inserted into the inner wall of the circular plug hole 66. The threaded plug rod 67 is detachably clamped with the threaded hole 62. By providing the threaded plug rod 67 and the threaded hole 62, the protection plate 64, the protection ring plate 65 and other components can be auxiliaryly disassembled and assembled.

[0029] The working principle of the utility model is:

[0030] S1. When in use, the oil delivery circular frame 54 is inserted into the oil inlet circular frame 52, so that the lubricating oil in the oil storage ring block 53 can flow through the oil delivery circular frame 54 to the inner wall of the oil inlet circular frame 52, and then flow to the bearing outer ring 1, and then drip the lubricating oil from the oil outlet hole 51 for lubrication;

[0031] S2, at this time, the piston block 56 is inserted into the inner wall of the oil guide circular frame 55, and the threaded clamping rod 58 and the threaded clamping hole 59 are auxiliary fixed, so that the annular auxiliary plate 57 can be installed;

[0032] S3, clamp the annular clamping frame 63 on the outer surface of the annular clamping block 61, so that the protective plate 64 can be fixed to the annular auxiliary plate 57, and then insert the threaded insertion rod 67 into the inside of the round insertion hole 66, and then fix it with the threaded hole 62.

[0033] 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.

[0034] 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 tapered roller bearing with noise reduction function, comprising a bearing outer ring (1) and a bearing inner ring (2), characterized in that: A retaining frame (3) is arranged between the bearing outer ring (1) and the bearing inner ring (2); a tapered roller body (4) is rotatably connected to the inner wall of the retaining frame (3); a lubrication and noise reduction structure (5) is arranged between the bearing outer ring (1) and the bearing inner ring (2); an auxiliary protection structure (6) is arranged on one side of the lubrication and noise reduction structure (5); the lubrication and noise reduction structure (5) comprises a plurality of oil outlet holes (51); the bearing outer ring (1) is a hollow structure; the oil outlet holes (51) are arranged in an equidistant circumferential pattern; and a plurality of oil inlet circular frames (52) are fixedly connected to one side of the outer surface of the bearing outer ring (1).

2. The tapered roller bearing with noise reduction function according to claim 1, characterized in that: An oil delivery circular frame (54) is inserted into the inner wall of the oil inlet circular frame (52), and an oil storage ring block (53) is fixedly connected to one side of the outer surface of the oil delivery circular frame (54).

3. The tapered roller bearing with noise reduction function according to claim 2, characterized in that: The inner wall of the oil storage ring block (53) is fixedly connected to an oil guide circular frame (55), and the inner wall of the oil guide circular frame (55) is clamped with a piston block (56).

4. The tapered roller bearing with noise reduction function according to claim 2, characterized in that: The inner wall of the oil storage ring block (53) is fixedly connected to an annular auxiliary plate (57), the inner wall of the annular auxiliary plate (57) is threadedly connected to a threaded clamping rod (58), one side of the outer surface of the bearing inner ring (2) is provided with a threaded clamping hole (59), and the threaded clamping rod (58) and the threaded clamping hole (59) are detachably threadedly connected.

5. The tapered roller bearing with noise reduction function according to claim 2, characterized in that: The auxiliary protection structure (6) comprises an annular clamping block (61), one side of the outer surface of the annular clamping block (61) is fixedly connected to the outer surface of the oil storage ring block (53), and one side of the outer surface of the annular clamping block (61) is provided with a plurality of threaded holes (62) arranged equidistantly in a circumferential manner.

6. The tapered roller bearing with noise reduction function according to claim 5, characterized in that: An annular clamping frame (63) is clamped on the outer surface of the annular clamping block (61), a protective plate (64) is fixedly connected to the inner wall of the annular clamping frame (63), and a protective ring plate (65) is fixedly connected to the inner wall of the protective plate (64).

7. The tapered roller bearing with noise reduction function according to claim 6, characterized in that: The inner wall of the annular clamping frame (63) is provided with a round insertion hole (66), the inner wall of the round insertion hole (66) is provided with a threaded insertion rod (67), and the threaded insertion rod (67) is detachably clamped with the threaded hole (62).