Isolator retainer micro-texture sliding bearing with self-lubricating function

Abstract

The utility model discloses an isolator retainer micro-texture sliding bearing with a self-lubricating function, which belongs to the technical field of sliding bearings, and is characterized by comprising an outer ring and an inner ring, an isolator retainer body and a plurality of rolling bodies are arranged between the outer ring and the inner ring, and the rolling bodies are arranged on the isolator retainer body. Microtexture bodies are arranged on the inner wall of the outer ring and the surface of the inner ring, the rolling body is rotationally connected to the interior of the isolator retainer body, an oil storage cavity is formed in the isolator retainer body, a plurality of micro channels are formed in the surface of the isolator retainer body and communicate with the oil storage cavity, and the micro channels are communicated with the oil storage cavity. The problems that part of existing sliding bearings mainly depend on an external oil supply system to lubricate, in complex working conditions or special environments, external oil supply cannot be supplied timely and stably, so that lubrication fails, the complexity and cost of equipment are increased by the external oil supply system, regular maintenance is needed, and faults are prone to occurring are solved.

Description

Technical Field

[0001] This utility model relates to the field of sliding bearing technology, and in particular to a self-lubricating isolator cage microtextured sliding bearing. Background Technology

[0002] Sliding bearings are widely used in many fields. With the continuous development of modern industry, higher requirements are placed on the performance of sliding bearings. Under some working conditions, traditional sliding bearings face the problem of friction and wear caused by insufficient lubrication, which affects the operating efficiency and service life of equipment.

[0003] When sliding bearings are used in conjunction with motors, the height of the sliding bearings needs to be adjusted to accommodate motors with different center heights due to the different center heights of the motors. At the same time, once the sliding bearings are fixed in place with bolts, their left and right positions are also fixed and cannot be changed, making it impossible to make fine adjustments to the bearing positions as needed.

[0004] The existing patent (publication number: CN221054165U) discloses a pedestal sliding bearing. This utility model uses an adapter mechanism where a pneumatic cylinder drives the mounting bracket to rise and fall, which in turn causes the sliding bearing to rise and fall to adjust its height. During the raising and lowering of the mounting bracket, the movable rod moves up and down within the outer sleeve, which can limit the mounting bracket and prevent it from shifting. By raising and lowering the sliding bearing, it can accommodate motors of different heights, improving the fit between the sliding bearing and the motor and expanding the compatibility between them.

[0005] To address the aforementioned issues, existing patents have provided solutions. However, some existing sliding bearings rely primarily on external oil supply systems for lubrication. In complex working conditions or special environments, the external oil supply may fail to provide timely and stable lubrication, leading to lubrication failure. Furthermore, external oil supply systems increase the complexity and cost of the equipment, require regular maintenance, and are prone to malfunctions.

[0006] To address this, a self-lubricating isolator cage microtextured sliding bearing is proposed. Utility Model Content

[0007] The purpose of this invention is to provide a self-lubricating isolator cage microtextured sliding bearing, which can solve the problem that some existing sliding bearings mainly rely on external oil supply systems for lubrication. In complex working conditions or special environments, the external oil supply cannot be supplied in a timely and stable manner, leading to lubrication failure. Furthermore, the external oil supply system increases the complexity and cost of the equipment, requires regular maintenance, and is prone to failure.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a self-lubricating isolator cage microtextured sliding bearing, comprising an outer ring and an inner ring, wherein an isolator cage body and a plurality of rolling elements are disposed between the outer ring and the inner ring, and the inner wall of the outer ring and the surface of the inner ring are both provided with a microtextured body.

[0009] Preferably, the rolling element is rotatably connected inside the isolator cage body, the isolator cage body has an oil storage cavity inside, and the surface of the isolator cage body has a plurality of micro channels, which are connected to the oil storage cavity.

[0010] Preferably, the diameter of the microchannel is 0.25 mm, and the inner wall of the microchannel is polished.

[0011] Preferably, the microtexture body has a regular shape, and the microtexture body is square.

[0012] Preferably, the depth of the microtexture body is 25 μm, and the distance between adjacent microtexture bodies is 100 μm.

[0013] Preferably, the isolator retainer body is made of low carbon steel, and the surface of the isolator retainer body is polished.

[0014] Preferably, the rolling element is a ball bearing, and the surface roughness of the ball bearing is less than 0.1 μm.

[0015] Preferably, the oil storage cavity is filled with lubricating oil, which is mineral oil.

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

[0017] This application achieves smooth rotation by driving the rolling elements through the inner ring. The micro-textured body, the isolator cage body, and the oil reservoir work together. The micro-textured body improves the distribution of lubricating oil, acts as an oil reservoir, reduces friction, increases load, and extends service life. The isolator cage body separates the rolling elements, evenly distributes the load, and improves the smoothness and reliability of operation. Its material and treatment reduce additional friction. The oil reservoir, with its micro-channels, achieves self-lubrication, eliminating the need for external oil supply and adapting to complex working conditions. The smooth surface of the ball bearing reduces frictional resistance, converting rotation into rolling friction, reducing energy consumption, and improving mechanical efficiency. This overall solution addresses the shortcomings of traditional bearing oil supply and meets the needs of modern industry for high-performance bearings. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the self-lubricating isolator cage microtextured sliding bearing of this utility model;

[0019] Figure 2This is a three-dimensional connection diagram of the isolator cage body and the rolling element in this utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the isolator retainer body in this utility model;

[0021] Figure 4 This is a three-dimensional sectional view of the isolator retainer body in this utility model;

[0022] Figure 5 This is a planar sectional view of the isolator retainer body in this utility model.

[0023] In the diagram, 1 is the outer ring; 2 is the inner ring; 3 is the isolator cage body; 4 is the microtextured body; 5 is the rolling element; 6 is the microchannel; 7 is the oil reservoir; and 8 is the lubricating oil. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 The present invention provides the following technical solution:

[0026] A self-lubricating isolator cage microtextured sliding bearing includes an outer ring 1 and an inner ring 2. An isolator cage body 3 and several rolling elements 5 are disposed between the outer ring 1 and the inner ring 2. The inner wall of the outer ring 1 and the surface of the inner ring 2 are both provided with microtextured bodies 4.

[0027] In this embodiment: the inner ring 2 drives the rolling element 5 to roll smoothly between the outer and inner rings 2. The square micro-textured body 4 with a depth of 25μm and a spacing of 100μm on the surface of the inner and outer rings 1 can improve the distribution and flow of lubricating oil 8, store oil, reduce the coefficient of friction, enhance the hydrodynamic pressure effect, form a thick and stable oil film, improve the load-bearing capacity, and reduce wear. The rolling element 5 rotates in the isolator cage body 3. The cage separates the rolling element 5 and bears the load evenly. It is made of low carbon steel and polished to reduce additional friction with the rolling element 5. The oil storage cavity 7 in the cage is connected to the outside through a 0.25mm microchannel. It is pre-filled with mineral oil during assembly. When the bearing is running, the oil storage cavity 7 is connected to the outside through a 0.25mm microchannel. The force and pressure cause oil to seep out from the oil reservoir 7, which, together with the micro-textured body 4, provides lubrication for the friction pair, achieving self-lubrication and reducing dependence on external oil supply. The rolling element 5 is a smooth ball, which reduces frictional resistance. Regular rolling transforms rotation into rolling friction, improving mechanical efficiency. The coordinated operation of all components achieves good self-lubrication, stable operation, and long service life. This solves the problem that some existing sliding bearings mainly rely on external oil supply systems for lubrication. In complex working conditions or special environments, external oil supply cannot be provided in a timely and stable manner, leading to lubrication failure. Furthermore, external oil supply systems increase the complexity and cost of the equipment, require regular maintenance, and are prone to failure.

[0028] Specifically, such as Figure 3 and Figure 4 As shown, the rolling element 5 is rotatably connected inside the isolator cage body 3. The isolator cage body 3 has an oil storage cavity 7 inside. Several micro channels 6 are opened on the surface of the isolator cage body 3, and the micro channels 6 are connected to the oil storage cavity 7.

[0029] Specifically, such as Figure 2 As shown, the diameter of the microchannel 6 is 0.25 mm, and the inner wall of the microchannel 6 has been polished.

[0030] Specifically, such as Figure 2 As shown, the microtexture body 4 has a regular shape and is square.

[0031] In this embodiment: the rolling element 5 rotates within the isolator cage body 3, and the oil storage chamber 7 within the cage is connected to the outside via a microchannel 6. The microchannel 6 has a diameter of 0.25 mm and its inner wall is polished, which facilitates the seepage of lubricating oil 8 and reduces flow resistance. The microtextured body 4 is a regular square shape, which can improve the distribution and flow of lubricating oil 8, act as an oil reservoir, reduce the direct metal contact between the rolling element 5 and the inner and outer rings 1, reduce the coefficient of friction, improve the self-lubricating performance and load-bearing capacity of the bearing, and extend its service life.

[0032] Specifically, such as Figure 2 As shown, the depth of the microtexture body 4 is 25 μm, and the distance between adjacent microtexture bodies 4 is 100 μm.

[0033] Specifically, such as Figure 2 and Figure 3 As shown, the isolator retainer body 3 is made of low carbon steel, and the surface of the isolator retainer body 3 is polished.

[0034] In this embodiment, the microtextured body 4 has a depth of 25μm and a spacing of 100μm. Such parameter settings can effectively improve the distribution and flow of lubricating oil 8 on the bearing working surface, enhance the hydrodynamic effect, and the isolator cage body 3 is made of low carbon steel and polished, which not only ensures structural strength but also reduces surface roughness, reduces additional friction with the rolling element 5, and improves overall performance.

[0035] Specifically, such as Figure 2 As shown, the rolling element 5 is a ball, and the surface roughness of the ball is less than 0.1 μm.

[0036] Specifically, such as Figure 5 As shown, the oil storage cavity 7 is filled with lubricating oil 8, which is mineral oil.

[0037] In this embodiment: by using balls with a surface roughness of less than 0.1μm as rolling elements 5, the frictional resistance with the inner and outer rings 1 and the cage body 3 is greatly reduced, resulting in smoother rolling. The oil reservoir 7 is filled with mineral oil as lubricating oil 8, which can seep out through the microchannels 6 under centrifugal force and pressure, providing stable lubrication for the bearing and ensuring efficient operation.

[0038] Working principle: Lubricating oil 8 is injected into the oil reservoir 7 through microchannels. When the bearing is running, the inner ring 2 drives the rolling element 5 to roll between the outer ring 1 and the inner ring 2, thereby achieving smooth rotation. The inner wall of the outer ring 1 and the surface of the inner ring 2 are provided with micro-textured bodies 4. The micro-textured bodies 4 are square and regularly shaped, with a depth of 25μm and a spacing of 100μm. During the operation of the rolling element 5, they drive the isolator cage body 3 to rotate. When the bearing is running, the isolator cage body 3 rotates together with the rolling element 5 and the inner ring 2. The lubricating oil 8 in the oil reservoir 7 is subjected to centrifugal force and the pressure generated by the bearing operation. Under these conditions, overcoming the resistance of the microchannel 6, the lubricating oil 8 slowly seeps from the oil reservoir 7 into the space between the outer ring 1 and the inner ring 2, as well as onto the surface of the rolling element 5. At this time, the microtextured body 4 can improve the distribution and flow state of the lubricating oil 8 on the bearing working surface. The microtextured body 4 can act as a tiny oil reservoir, storing a certain amount of lubricating oil 8 to continuously provide lubricating medium for the friction surfaces between the rolling element 5 and the inner and outer rings 1, reducing direct metal contact and lowering the coefficient of friction. The microtextured body 4 changes the hydrodynamic characteristics of the lubricating oil 8 and enhances the hydrodynamic pressure effect, enabling a thicker and more stable lubricating oil 8 to be formed when the rolling element 5 moves relative to the inner ring 2 and the outer ring 1. The membrane enhances the bearing's load-bearing capacity, further reduces wear, and extends the bearing's service life. The rolling elements 5 are rotatably connected inside the isolator cage body 3. The isolator cage body 3 evenly separates the rolling elements 5, preventing collisions and friction between them, ensuring the load is evenly distributed across each rolling element 5, thereby improving the bearing's operational stability and reliability. Because the isolator cage body 3 is made of low-carbon steel and its surface is polished, it ensures structural strength while reducing surface roughness, minimizing additional friction with the rolling elements 5. The isolator cage body 3 contains an oil reservoir 7. The oil cavity 7 is connected to the outside world through several micro-channels 6 opened on its surface. The micro-channels 6 have a diameter of 0.25 mm and their inner walls are polished to reduce the resistance to the flow of lubricating oil 8. During bearing assembly, the oil cavity 7 is pre-filled with mineral oil as lubricating oil 8. The seeping lubricating oil 8 cooperates with the micro-textured body 4 to provide sufficient lubrication for the friction pair between the rolling element 5 and the inner and outer rings 1, realizing the self-lubricating function, reducing the dependence on the external oil supply system, and ensuring that the bearing can maintain a good lubrication state under complex working conditions, maintaining efficient and stable operation. The rolling element 5 adopts the form of balls, and the surface roughness of the balls is less than 0.The 1μm smooth surface effectively reduces frictional resistance between the balls and the inner and outer rings 1 and the isolator cage body 3, resulting in smoother rolling. During bearing operation, the balls, constrained by the isolator cage body 3, perform regular rolling motion between the inner ring 2 and outer ring 1, converting shaft rotation into rolling friction. Compared to sliding friction, this significantly reduces energy loss, improves bearing mechanical efficiency, and ensures the efficient operation of the entire sliding bearing system. Through the coordinated work of various components, it achieves excellent self-lubricating performance, stable operation, and a long service life, meeting the demands of modern industry for high-performance sliding bearings. This solves the problem that some existing sliding bearings rely primarily on external oil supply systems for lubrication, which can lead to lubrication failure in complex working conditions or special environments due to untimely and unstable external oil supply. Furthermore, external oil supply systems increase equipment complexity and cost, require regular maintenance, and are prone to failure.

[0039] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A self-lubricating, self-locking, micro-textured sliding bearing, comprising an outer ring (1) and an inner ring (2), characterized in that: An isolator holder body (3) and several rolling elements (5) are provided between the outer ring (1) and the inner ring (2). The inner wall of the outer ring (1) and the surface of the inner ring (2) are both provided with micro-textured bodies (4).

2. The self-lubricating cage microtextured sliding bearing with isolation function according to claim 1, characterized in that: The rolling element (5) is rotatably connected inside the isolator holder body (3). The isolator holder body (3) has an oil storage cavity (7) inside. The surface of the isolator holder body (3) has several micro channels (6) connected to the oil storage cavity (7).

3. The self-lubricating cage microtextured sliding bearing with isolation function according to claim 2, characterized in that: The diameter of the microchannel (6) is 0.25 mm, and the inner wall of the microchannel (6) is polished.

4. The self-lubricating cage microtextured sliding bearing with isolation function according to claim 1, characterized in that: The microtexture body (4) has a regular shape and is square.

5. A self-lubricating isolator cage microtextured sliding bearing according to claim 1, characterized in that: The depth of the microtexture body (4) is 25 μm, and the distance between adjacent microtexture bodies (4) is 100 μm.

6. The self-lubricating cage microtextured sliding bearing with isolation function according to claim 1, characterized in that: The isolator retainer body (3) is made of low carbon steel, and the surface of the isolator retainer body (3) is polished.

7. A self-lubricating isolator cage microtextured sliding bearing according to claim 1, characterized in that: The rolling element (5) is a ball bearing, and the surface roughness of the ball bearing is less than 0.1 μm.

8. A self-lubricating isolator cage microtextured sliding bearing according to claim 2, characterized in that: The oil storage cavity (7) is filled with lubricating oil (8), which is mineral oil.

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