Arrangement of an automatic bearing lubrication system

By designing an automatic bearing lubrication system, the problem of inconvenience in manual oiling was solved, the circulation of lubricating oil was realized, ensuring continuous and adequate lubrication of the bearing, extending the bearing's service life and reducing labor costs.

CN224497137UActive Publication Date: 2026-07-14WUHAN WUXIN MATERIALS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHAN WUXIN MATERIALS CO LTD
Filing Date
2025-07-29
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing bearing lubrication methods rely on manual, timed lubrication, which results in high labor costs, inconvenient operation, difficulty in controlling the amount of lubrication, and a tendency to cause insufficient or excessive lubrication, affecting bearing life and equipment operation.

Method used

Design an automatic bearing lubrication system that circulates lubricating oil through an oil supply pump and an oil return pump, and uses oil supply pipelines and return pipelines to deliver lubricating oil from the oil tank to the bearing and recover it, ensuring continuous and adequate lubrication of the bearing.

Benefits of technology

This achieves continuous and adequate lubrication of the bearings, reduces lubricant waste and insufficiency, lowers labor costs, extends bearing life, and improves equipment operational stability.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model belongs to bearing lubricating technical field, concretely relates to a bearing automatic lubricating system arrangement structure. The utility model discloses the reasonable arrangement of oil delivery oil pump, oil return oil pump, oil pipe and bearing pedestal internal oil circuit, by oil delivery oil pump, the lubricating oil in oil tank is delivered to bearing pedestal and is lubricated to bearing, then by oil return oil pump, the lubricating oil is delivered back to oil tank, realizes the circulation flow of lubricating oil, can guarantee that bearing gets sustained, appropriate lubrication, and avoids the waste and lubrication insufficient condition of lubricating oil, the utility model discloses compact overall structure, uses stable and reliable, and maintenance is convenient, and simple, convenient, can long -term stably provide sustained lubrication for bearing, can greatly reduce manpower cost, prolongs the service life of bearing, and its application prospect is broad, and it is easy to promote.
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Description

Technical Field

[0001] This utility model belongs to the field of bearing lubrication technology, and specifically relates to an arrangement structure of an automatic bearing lubrication system. Background Technology

[0002] Bearings are crucial components in mechanical equipment, requiring continuous lubrication during operation to reduce friction and wear, ensuring normal equipment function. Currently, bearing lubrication is mostly done manually at set intervals, a method with several drawbacks. Firstly, manual lubrication is labor-intensive and inconvenient, especially with large equipment or inaccessible locations. Secondly, precise control of the lubrication amount is difficult, easily leading to over-lubrication (wasting lubricant) or under-lubrication (insufficient lubrication). Furthermore, forgetting to lubricate or delaying lubrication can accelerate bearing wear due to poor lubrication, shortening bearing life and affecting equipment operation. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an automatic bearing lubrication system layout structure that is compact, easy to operate, convenient to install and maintain, and can realize automatic and continuous lubrication of bearings, reduce labor costs, and extend the service life of bearings.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0005] An automatic bearing lubrication system layout includes a bearing housing 1, a bearing cavity in the middle of the bearing housing 1, a bearing 2 installed in the bearing cavity, an oil inlet 12 and an oil return outlet 13 respectively on the two side walls of the bearing housing 1, the outer end of the oil inlet 12 is connected to the output end of the oil storage tank 5 through an oil supply pipeline 3, and the outer end of the oil return outlet 13 is connected to the input end of the oil storage tank 5 through an oil return pipeline 4, and an oil supply pump 6 and an oil return pump 8 are respectively installed on the oil supply pipeline 3 and the oil return pipeline 4.

[0006] The bearing housing 1 has an internal oil supply channel 14 and an internal oil return channel 15. The inner ends of the oil supply port 12 and the oil return port 13 are respectively connected to the bearing cavity through the internal oil supply channel 14 and the internal oil return channel 15.

[0007] Preferably, the oil pump 6 is connected to an oil pump motor 7, and the return oil pump 8 is connected to a return oil pump motor 9.

[0008] Preferably, the bearing cavity has an oil supply hole 16 at the top and an oil return hole 17 at the bottom.

[0009] Preferably, the inner end of the oil inlet 12 is connected to the oil outlet 16 through the internal oil channel 14.

[0010] Preferably, the inner end of the oil return port 13 is connected to the oil return hole 17 through the internal oil return channel 15.

[0011] Preferably, an end cap 10 is fixedly installed on the outer end of the bearing housing 1.

[0012] Preferably, the end cap 10 is fixedly installed on the outer end of the bearing seat 1 by a plurality of fixing bolts 11.

[0013] Preferably, both the oil supply pump 6 and the return oil pump 8 are gear pumps.

[0014] Preferably, both the oil supply pipeline 3 and the return oil pipeline 4 are made of oil-resistant rubber.

[0015] Compared with the prior art, the present invention has the following main advantages:

[0016] 1. This utility model achieves the circulation of lubricating oil by rationally arranging the oil pump, return oil pump, oil pipe and the internal oil circuit of the bearing housing. The oil pump delivers the lubricating oil in the oil storage tank to the bearing housing to lubricate the bearing, and the return oil pump delivers the lubricating oil back to the oil storage tank. This ensures that the bearing receives continuous and adequate lubrication, and avoids the waste of lubricating oil and insufficient lubrication.

[0017] 2. This utility model has a compact overall structure, is stable and reliable in use, and is easy to maintain and operate. It can provide continuous lubrication for bearings in a long-term and stable manner, which can significantly reduce labor costs and extend the service life of bearings. It has broad application prospects and is easy to promote. Attached Figure Description

[0018] Figure 1 This is an overall schematic diagram of the bearing automatic lubrication system layout structure in an embodiment of this utility model;

[0019] Figure 2 This is a schematic diagram of the bearing housing in an embodiment of the present invention.

[0020] In the diagram: 1-Bearing housing, 2-Bearing, 3-Oil supply pipeline, 4-Oil return pipeline, 5-Oil storage tank, 6-Oil supply pump, 7-Oil supply pump motor, 8-Oil return pump, 9-Oil return pump motor, 10-End cover, 11-Fixing bolt, 12-Oil supply port, 13-Oil return port, 14-Internal oil supply channel, 15-Internal oil return channel, 16-Oil supply hole, 17-Oil return hole. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0025] The features and performance of this application will be further described in detail below with reference to the embodiments.

[0026] Example 1: This example provides an automatic bearing lubrication system layout structure, such as... Figures 1-2 As shown, it mainly includes: bearing housing 1, oil supply pipeline 3, oil return pipeline 4, oil storage tank 5, oil supply pump 6 and oil return pump 8;

[0027] The bearing housing 1 has a bearing cavity in the middle, and a bearing 2 to be lubricated is installed in the bearing cavity. The bearing housing 1 has an oil inlet 12 and an oil return port 13 on its two side walls. The outer end of the oil inlet 12 is connected to the output end of the oil storage tank 5 through an oil supply pipeline 3. The outer end of the oil return port 13 is connected to the input end of the oil storage tank 5 through an oil return pipeline 4. An oil supply pump 6 and an oil return pump 8 are installed on the oil supply pipeline 3 and the oil return pipeline 4, respectively.

[0028] The bearing housing 1 has an internal oil supply channel 14 and an internal oil return channel 15. The inner ends of the oil supply port 12 and the oil return port 13 are respectively connected to the bearing cavity through the internal oil supply channel 14 and the internal oil return channel 15.

[0029] Furthermore, the oil pump 6 is connected to an oil pump motor 7, and the return oil pump 8 is connected to a return oil pump motor 9.

[0030] Furthermore, an oil supply hole 16 is provided at the top of the bearing cavity, and an oil return hole 17 is provided at the bottom of the bearing cavity.

[0031] Furthermore, the inner end of the oil inlet 12 is connected to the oil outlet 16 through the internal oil channel 14.

[0032] Furthermore, the inner end of the oil return port 13 is connected to the oil return hole 17 through the internal oil return channel 15.

[0033] Furthermore, an end cap 10 is fixedly installed on the outer end of the bearing housing 1.

[0034] Furthermore, the end cap 10 is specifically fixed to the outer end of the bearing seat 1 by a plurality of fixing bolts 11.

[0035] Furthermore, both the oil supply pump 6 and the return oil pump 8 are gear pumps.

[0036] Furthermore, both the oil supply pipeline 3 and the return oil pipeline 4 are made of oil-resistant rubber.

[0037] Example 2: This example provides an automatic bearing lubrication system layout structure. The oil pump is connected to the corresponding motor output terminal. The oil delivery pump draws oil from the oil storage tank through the oil pipe and inputs it into the bearing housing through the oil inlet pipe. The return oil pump draws oil from the bearing housing through the return oil pipe and inputs it into the oil storage tank.

[0038] In practical use:

[0039] Before the bearing is put into operation, the oil supply pump and the oil return pump need to be turned on in advance. Through the oil supply pipeline, the oil return pipeline, and the oil supply and return channels inside the bearing housing, the lubricating grease is circulated in the bearing cavity of the bearing housing, so as to achieve the purpose of automatic and continuous lubrication of the bearing.

[0040] Furthermore, all parts of this application that are not described in detail are the same as or implemented using existing technology.

[0041] In summary:

[0042] 1. This utility model achieves the circulation of lubricating oil by rationally arranging the oil pump, return oil pump, oil pipe and the internal oil circuit of the bearing housing. The oil pump delivers the lubricating oil in the oil storage tank to the bearing housing to lubricate the bearing, and the return oil pump delivers the lubricating oil back to the oil storage tank. This ensures that the bearing receives continuous and adequate lubrication, and avoids the waste of lubricating oil and insufficient lubrication.

[0043] 2. This utility model has a compact overall structure, is stable and reliable in use, and is easy to maintain and operate. It can provide continuous lubrication for bearings in a long-term and stable manner, which can significantly reduce labor costs and extend the service life of bearings. It has broad application prospects and is easy to promote.

[0044] The above embodiments are only used to illustrate the design concept and features of this utility model, and their purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. The protection scope of this utility model is not limited to the above embodiments. Therefore, all equivalent changes or modifications made based on the principles and design ideas disclosed in this utility model are within the protection scope of this utility model.

Claims

1. An automatic bearing lubrication system layout structure, characterized in that: The bearing housing (1) includes a bearing cavity in the middle of the bearing housing (1), and a bearing (2) is installed in the bearing cavity. The bearing housing (1) has an oil inlet (12) and an oil return outlet (13) on its two side walls respectively. The outer end of the oil inlet (12) is connected to the output end of the oil storage tank (5) through an oil supply pipeline (3), and the outer end of the oil return outlet (13) is connected to the input end of the oil storage tank (5) through an oil return pipeline (4). An oil supply pump (6) and an oil return pump (8) are installed on the oil supply pipeline (3) and the oil return pipeline (4) respectively. The bearing housing (1) has an internal oil supply channel (14) and an internal oil return channel (15). The inner end of the oil supply port (12) and the inner end of the oil return port (13) are connected to the bearing cavity through the internal oil supply channel (14) and the internal oil return channel (15), respectively.

2. The bearing automatic lubrication system layout structure according to claim 1, characterized in that: The oil pump (6) is connected to an oil pump motor (7), and the return oil pump (8) is connected to a return oil pump motor (9).

3. The bearing automatic lubrication system layout structure according to claim 1, characterized in that: The bearing cavity has an oil supply hole (16) at the top and an oil return hole (17) at the bottom.

4. The bearing automatic lubrication system layout structure according to claim 3, characterized in that: The inner end of the oil inlet (12) is connected to the oil outlet (16) through the internal oil channel (14).

5. The bearing automatic lubrication system layout structure according to claim 3, characterized in that: The inner end of the oil return port (13) is connected to the oil return hole (17) through the internal oil return channel (15).

6. The bearing automatic lubrication system layout structure according to claim 1, characterized in that: An end cap (10) is fixedly installed on the outer end of the bearing housing (1).

7. The bearing automatic lubrication system layout structure according to claim 6, characterized in that: The end cap (10) is specifically fixed to the outer end of the bearing seat (1) by multiple fixing bolts (11).

8. The bearing automatic lubrication system layout structure according to claim 1, characterized in that: Both the oil pump (6) for supplying oil and the oil pump (8) for returning oil are gear pumps.

9. The bearing automatic lubrication system layout structure according to claim 1, characterized in that: Both the oil delivery pipeline (3) and the return oil pipeline (4) are made of oil-resistant rubber.