CN220581321U

CN220581321U - Full-sealed dustproof shaft-connected bearing fan bracket assembly structure device

Info

Publication number: CN220581321U
Application number: CN202321177852.9U
Authority: CN
Inventors: 陈银; 邓杰; 李天兰
Original assignee: Chengdu Jialing Huaxi Optical & Precision Machinery Co ltd
Current assignee: Chengdu Jialing Huaxi Optical & Precision Machinery Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2024-03-12
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses a full-sealed dustproof shaft-connected bearing fan bracket assembly structure device which is characterized by comprising a belt pulley, a bearing seat and a shaft-connected bearing, wherein the fan belt pulley is connected with the bearing seat through the shaft-connected bearing; the shaft connecting bearing consists of two double-row angular contact ball bearings. The utility model is fixed with the bearing seat and linked with the fan belt pulley, so that the structure of the fan bracket assembly is greatly simplified, the number of parts is reduced, the front end and the rear end of the fan bracket are sealed by adopting the full-sealing dustproof structure, and the bearing only adopts one shaft connecting bearing, so that the failure rate is greatly reduced compared with the fan bracket with higher bearing capacity and higher rotating speed by adopting a plurality of bearings or one double-row tapered roller bearing, and the utility model has the advantages of lower cost, simple structure, convenient assembly, low failure rate, longer service life, strong environmental adaptability and the like.

Description

Full-sealed dustproof shaft-connected bearing fan bracket assembly structure device

Technical Field

The utility model relates to the field of machinery, in particular to a full-sealed dustproof shaft-connected bearing fan bracket assembly structure device.

Background

Along with the promotion of six engines in China, the engine is not only used on roads with excellent environments, but also used under some working conditions with severe environments, such as mines, deserts, wetlands and the like. Meanwhile, the silicon oil clutch fan adopted at the front end is continuously increased in weight, and the traditional bearing seat part can not completely meet the requirements of the national six-engine, so that the bracket structure of the full-sealed dustproof shaft-connected bearing fan is developed by our company. The fan bracket assembly structure is mainly used on the front end wheel system of the engine, can bear higher radial and axial loads and higher rotating speed, is provided with parts such as a large-mass fan, an electromagnetic clutch and the like, and is applicable to severe environmental working conditions such as mines, deserts, wetlands and the like. In the prior transmission device, a plurality of bearings or a double-row cone are adopted for step-by-step transmission, so that the defects of complex structure, difficult assembly, high failure rate, short service life and the like are often caused; under the adverse circumstances, the operating mode that fan bracket used is comparatively abominable, and often dust etc. get into inside the product and lead to the bearing to become invalid, sets up independent totally enclosed dust keeper.

Disclosure of Invention

The utility model aims to solve the problems and provides a fully-sealed dustproof shaft-connected bearing fan bracket assembly structure device.

The fan bracket assembly structure device comprises a fan belt pulley, a bearing seat and a shaft connecting bearing, wherein the fan belt pulley is connected with the bearing seat through the shaft connecting bearing; the shaft connecting bearing consists of two double-row angular contact ball bearings.

Further, the double-row angular contact ball bearing comprises a mandrel and an outer ring, wherein cylindrical rollers, ball rollers, a retainer and a sealing ring are arranged between the mandrel and the outer ring.

Further, an inner hole is formed in the left portion of the fan belt pulley and is connected with an inner hole of the shaft connecting bearing.

Further, the outer ring is installed in an inner hole of the shaft-connection bearing through interference fit.

Further, the fan pulley is in interference fit with the mandrel.

Further, a check ring is further arranged between the fan belt pulley and the bearing seat, and the check ring is connected with the inner hole of the shaft connecting bearing and the fan belt pulley through the VD sealing ring.

Still further, still include the shield, the shield sets up in the outside of bearing frame.

Based on the technical scheme, the embodiment of the utility model at least has the following technical effects:

the utility model is fixed with the bearing seat and linked with the fan belt pulley, so that the structure of the fan bracket assembly is greatly simplified, the number of parts is reduced, the front end and the rear end of the fan bracket are sealed by adopting a full-sealing dustproof structure, the bearing only adopts one shaft connecting bearing, the failure rate is greatly reduced compared with the case of adopting a plurality of bearings or one double-row tapered roller bearing, and the utility model has the advantages of higher bearing capacity, higher rotating speed of the fan bracket, lower cost, simple structure, convenient assembly, low failure rate, longer service life, strong environmental adaptability and the like.

Drawings

FIG. 1 is a cross-sectional view of a fan bracket assembly;

figure 2 is a sectional view of a shaft-coupling bearing.

In the figure: the novel fan belt pulley comprises a 1-fan belt pulley, a 2-bearing seat, a 3-retainer ring, a 4-VD sealing ring, a 5-dust cover, a 6-shaft connecting bearing, a 7-mandrel, an 8-outer ring, a 9-cylindrical roller, a 10-ball roller, an 11-retainer and a 12-sealing ring.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, a fully sealed dustproof shaft-to-bearing fan bracket assembly structure device of the present utility model is described in further detail below with reference to the accompanying drawings and examples. The specific embodiments described herein are to be considered in all respects as illustrative and not restrictive, and the described embodiments are intended to be illustrative only of some, but not all embodiments of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-2, a fully-sealed dustproof shaft-connected bearing fan bracket assembly structure device comprises a fan belt pulley 1, a bearing seat 2 and a shaft-connected bearing 6, wherein the fan belt pulley 1 is connected with the bearing seat 2 through the shaft-connected bearing 6; the shaft connecting bearing 6 is composed of two double-row angular contact ball bearings, each double-row angular contact ball bearing comprises a mandrel 7 and an outer ring 8, a cylindrical roller 9, a ball roller 10, a retainer 11 and a sealing ring 12 are arranged between the mandrel 7 and the outer ring 8, an inner hole is formed in the left part of the fan belt pulley 1 and is connected with the inner hole of the shaft connecting bearing 6, the outer ring 8 is installed in the inner hole of the shaft connecting bearing 6 through interference fit, the fan belt pulley 1 is in interference fit with the mandrel 7, a retainer ring 3 is further arranged between the fan belt pulley 1 and the bearing seat 2, the retainer ring 3 is connected with the inner hole of the shaft connecting bearing 6 and the fan belt pulley 1 through the VD sealing ring 4, the fan belt pulley further comprises a dust cover 5, and the dust cover 5 is arranged on the outer side of the bearing seat 2.

When the fan belt pulley is assembled, the outer ring 8 is arranged in an inner hole of the fan belt pulley 1 for fixing, and the outer ring 7 is matched with the bearing seat 2; the check ring 3 is connected with the end face of the inner hole of the bearing 6 and the belt pulley for rotation, the check ring 3 is connected with the inner hole of the shaft-connected bearing 6 and the fan belt pulley 1 together through the VD sealing ring 4, and the rear end dust cover 5 and the front end VD sealing ring 4 seal the rotating part of the shaft-connected bearing 6 to form a sealed dust-proof structure.

It will be understood that the utility model has been described with respect to certain embodiments and that various changes and equivalents may be made to those features and embodiments without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The full-sealed dustproof shaft-connected bearing fan bracket assembly structure device is characterized by comprising a fan belt pulley (1), a bearing seat (2) and a shaft-connected bearing (6), wherein the fan belt pulley (1) is connected with the bearing seat (2) through the shaft-connected bearing (6); the shaft connecting bearing (6) is composed of two double-row angular contact ball bearings; the double-row angular contact ball bearing comprises a mandrel (7) and an outer ring (8), wherein a cylindrical roller (9), a ball roller (10), a retainer (11) and a sealing ring (12) are arranged between the mandrel (7) and the outer ring (8); an inner hole is formed in the left portion of the fan belt pulley (1) and connected with an inner hole of the shaft connecting bearing (6).

2. A fully sealed dust-proof shaft-bearing fan carrier assembly structure according to claim 1, characterized in that the fan pulley (1) is in interference fit with the spindle (7).

3. The full-sealed dustproof shaft-connected bearing fan bracket assembly structure device according to claim 1, wherein a retainer ring (3) is further arranged between the fan belt pulley (1) and the bearing seat (2), and the retainer ring (3) is connected with an inner hole of the shaft-connected bearing (6) and the fan belt pulley (1) through a VD sealing ring (4).

4. The fully sealed dustproof shaft-bearing fan bracket assembly structure device according to claim 1, further comprising a dustproof cover (5), wherein the dustproof cover (5) is arranged on the outer side of the bearing seat (2).