Corrosion resistant high temperature thrust bearing

Abstract

The utility model discloses a kind of corrosion-resistant high-temperature-resistant thrust bearings, including tight ring, rolling body and loose ring, the rolling body is located between tight ring and loose ring, the outer surface of tight ring and loose ring is equipped with multilayer composite structure, from outside to inside in turn is anticorrosion outer layer, heat-conducting intermediate layer and matrix layer, annular cavity is opened in the inside of tight ring, second heat dissipation hole is opened in the side of tight ring away from rolling body, first heat dissipation hole is opened in the outer wall of tight ring, the middle part between the outer surface of the upper and lower ends of the transverse reinforcing annular muscle and annular cavity is fixedly installed with vertical reinforcing annular muscle, first vent is opened in the outer surface of the upper end of the transverse reinforcing annular muscle.The utility model relates to a kind of corrosion-resistant high-temperature-resistant thrust bearings, by multilayer composite structure, annular liquid cooling flow guide cavity and reinforced heat dissipation hole design, make thrust bearing possess corrosion resistance, and possess high-temperature resistance.

Description

Technical Field

[0001] This utility model relates to the field of thrust bearing technology, specifically a corrosion-resistant and high-temperature-resistant thrust bearing. Background Technology

[0002] Thrust bearings are widely used in mechanical transmission systems to withstand axial loads, such as in high-load, high-speed equipment like turbines, aero engines, and chemical pumps.

[0003] Traditional thrust bearings often face the following problems when operating in high-temperature and corrosive environments: 1. Insufficient corrosion resistance: Ordinary bearing materials (such as GCr15 steel) are prone to rusting in corrosive media such as acids, alkalis, and salt spray, which leads to a shortened service life; 2. Poor heat dissipation under high temperature conditions: When the bearing is running at high speed, friction generates a lot of heat. If the heat dissipation is poor, it can easily lead to material softening, lubrication failure, or even seizure.

[0004] Therefore, we propose a corrosion-resistant and high-temperature-resistant thrust bearing. Utility Model Content

[0005] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides a corrosion-resistant and high-temperature-resistant thrust bearing. Through a multi-layer composite structure, annular liquid-cooled guide cavity, and enhanced heat dissipation hole design, the thrust bearing possesses both corrosion resistance and high-temperature resistance, effectively solving the problems in the background technology.

[0006] (II) Technical Solution To achieve the above objectives, the technical solution adopted by this utility model is as follows: a corrosion-resistant and high-temperature-resistant thrust bearing, comprising a tight ring, rolling elements, and a loose ring, wherein the rolling elements are located between the tight ring and the loose ring, and the outer surfaces of the tight ring and the loose ring are provided with a multi-layer composite structure, consisting of an anti-corrosion outer layer, a thermally conductive intermediate layer, and a base layer from the outside to the inside. An annular cavity is formed inside the tight ring, and a second heat dissipation hole is formed on the side of the tight ring away from the rolling elements. A first heat dissipation hole is formed on the outer wall of the tight ring. A transverse reinforcing annular rib is fixedly installed in the middle of the annular cavity, and a vertical reinforcing annular rib is fixedly installed between the middle of the upper and lower outer surfaces of the transverse reinforcing annular rib and the annular cavity. A first ventilation hole is provided on the upper outer surface of the reinforcing annular rib, and the first ventilation hole extends to the lower outer surface of the transverse reinforcing annular rib. A second ventilation hole is provided on one outer surface of the vertical reinforcing annular rib, and the second ventilation hole extends to the other outer surface of the vertical reinforcing annular rib. An annular guide cavity is provided inside the loose ring on the side near the rolling element. A coolant inlet valve is fixedly installed at one end of the loose ring on the outer surface away from the rolling element, and a coolant outlet valve is fixedly installed at the other end of the loose ring on the outer surface away from the rolling element. A water inlet pipe is connected between the coolant inlet valve and the annular guide cavity, and a water outlet pipe is connected between the coolant outlet valve and the annular guide cavity.

[0007] Preferably, the annular guide cavity is fixedly installed with guide protrusions.

[0008] Preferably, both the coolant inlet valve and the coolant outlet valve are connected to an external circulating cooling system.

[0009] Preferably, the anti-corrosion outer layer is made of ceramic coating.

[0010] Preferably, the thermally conductive intermediate layer is made of copper alloy or graphene composite material.

[0011] Preferably, the thickness of the anti-corrosion outer layer is 10~50μm, and the thickness of the thermally conductive intermediate layer is 0.5~2mm.

[0012] (III) Beneficial Effects Compared with the prior art, this utility model provides a corrosion-resistant and high-temperature-resistant thrust bearing, which has the following beneficial effects: 1. This corrosion-resistant and high-temperature thrust bearing adopts a multi-layer composite structure. The outer layer (such as a ceramic coating) resists chemical corrosion, the middle layer (copper alloy / graphene) conducts heat rapidly, and the base layer (high-temperature alloy) provides mechanical strength, thus realizing the integration of anti-corrosion, heat conduction and load bearing functions.

[0013] 2. This corrosion-resistant and high-temperature thrust bearing features a loose ring integrated annular guide cavity, which achieves active liquid cooling through coolant circulation (inlet valve → inlet pipe → guide cavity → outlet pipe → discharge valve). The tight ring is equipped with an annular cavity and heat dissipation holes to form air convection, improve passive heat dissipation efficiency, and avoid heat accumulation.

[0014] 3. This corrosion-resistant and high-temperature thrust bearing features transverse and vertical reinforcing ring ribs inside the tight ring to improve rigidity and resistance to deformation at high temperatures. At the same time, ventilation holes ensure smooth airflow and prevent structural obstruction of heat dissipation. Guide protrusions are provided inside the flow guiding cavity to enhance the turbulence effect of the coolant and improve heat exchange efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a corrosion-resistant and high-temperature-resistant thrust bearing according to this utility model.

[0016] Figure 2 This is a side cross-sectional view of the tight ring in a corrosion-resistant and high-temperature thrust bearing according to this utility model.

[0017] Figure 3 This is a side cross-sectional view of the loose ring in a corrosion-resistant and high-temperature thrust bearing according to this utility model.

[0018] Figure 4 This is a layered structural diagram of the tight ring and loose ring in a corrosion-resistant and high-temperature thrust bearing according to this utility model.

[0019] In the diagram: 1. Tightening ring; 2. Rolling element; 3. Loosening ring; 4. Annular cavity; 5. First heat dissipation hole; 6. Second heat dissipation hole; 7. Horizontal reinforcing annular rib; 8. Vertical reinforcing annular rib; 9. First ventilation hole; 10. Second ventilation hole; 11. Annular guide cavity; 12. Guide protrusion; 13. Coolant inlet valve; 14. Water inlet pipe; 15. Coolant outlet valve; 16. Water outlet pipe; 17. Base layer; 18. Thermally conductive intermediate layer; 19. Corrosion-resistant outer layer. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] This embodiment is a corrosion-resistant and high-temperature resistant thrust bearing.

[0022] like Figure 1-4As shown, a corrosion-resistant and high-temperature thrust bearing includes a tight ring 1, rolling elements 2, and a loose ring 3. The rolling elements 2 are located between the tight ring 1 and the loose ring 3. The outer surfaces of the tight ring 1 and the loose ring 3 are provided with a multi-layer composite structure, consisting of an anti-corrosion outer layer 19, a thermally conductive intermediate layer 18, and a base layer 17, from the outside to the inside. An annular cavity 4 is formed inside the tight ring 1. A second heat dissipation hole 6 is formed on the side of the tight ring 1 away from the rolling elements 2. A first heat dissipation hole 5 is formed on the outer wall of the tight ring 1. A transverse reinforcing annular rib 7 is fixedly installed in the middle of the annular cavity 4. A vertical reinforcing annular rib 8 is fixedly installed between the middle of the outer surfaces of the upper and lower ends of the transverse reinforcing annular rib 7 and the annular cavity 4. The upper outer surface of the transverse reinforcing annular rib 7 is provided with a... A first ventilation hole 9 is provided, which extends to the lower outer surface of the transverse reinforcing annular rib 7. A second ventilation hole 10 is provided on one outer surface of the vertical reinforcing annular rib 8, which extends to the other outer surface of the vertical reinforcing annular rib 8. An annular guide cavity 11 is provided inside the loose ring 3 on the side close to the rolling element 2. A coolant inlet valve 13 is fixedly installed at one end of the loose ring 3 on the outer surface away from the rolling element 2. A coolant outlet valve 15 is fixedly installed at the other end of the loose ring 3 on the outer surface away from the rolling element 2. A water inlet pipe 14 is connected between the coolant inlet valve 13 and the annular guide cavity 11. A water outlet pipe 16 is connected between the coolant outlet valve 15 and the annular guide cavity 11.

[0023] The annular flow guide cavity 11 is fixedly installed with flow guide protrusions 12; the coolant inlet valve 13 and the coolant outlet valve 15 are both connected to an external circulating cooling system; the anti-corrosion outer layer 19 is made of ceramic coating; the thermally conductive intermediate layer 18 is made of copper alloy or graphene composite material; the thickness of the anti-corrosion outer layer 19 is 10~50μm, and the thickness of the thermally conductive intermediate layer 18 is 0.5~2mm.

[0024] It should be noted that this utility model is a corrosion-resistant and high-temperature thrust bearing. The corrosion-resistant outer layer 19, made of ceramic coating with a thickness of 10-50 μm, resists corrosive media such as acids, alkalis, and salt spray. The thermally conductive intermediate layer 18, made of copper alloy or graphene composite material with a thickness of 0.5-2 mm, rapidly dissipates frictional heat. This multi-layered composite structure—the outer layer (e.g., ceramic coating) resists chemical corrosion, the intermediate layer (copper alloy / graphene) conducts heat rapidly, and the base layer (high-temperature alloy) provides mechanical strength—achieves corrosion resistance. The device integrates three functions: heat conduction, load bearing, and cooling. The coolant inlet valve 13 and outlet valve 15 are connected to an external circulating cooling device. During operation, frictional heat is quickly conducted to the heat dissipation structure through the heat-conducting intermediate layer 18. The heat dissipation holes (5, 6) and ventilation holes (9, 10) of the tight ring 1 form forced convection for passive heat dissipation. The coolant in the loose ring 3 circulates in the guide cavity 11, actively absorbing and carrying away heat. The anti-corrosion outer layer 19 protects the bearing from media corrosion and extends its service life. The guide protrusions 12 inside the annular guide cavity 11 increase the turbulence effect and improve the heat exchange efficiency.

[0025] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A corrosion-resistant and high-temperature resistant thrust bearing, comprising a tight ring (1), rolling elements (2) and a loose ring (3), wherein the rolling elements (2) are located between the tight ring (1) and the loose ring (3), characterized in that: The outer surfaces of the tightening ring (1) and loosening ring (3) are provided with a multi-layer composite structure, consisting of an anti-corrosion outer layer (19), a heat-conducting intermediate layer (18), and a base layer (17) from the outside to the inside. An annular cavity (4) is provided inside the tightening ring (1). A second heat dissipation hole (6) is provided on the side of the tightening ring (1) away from the rolling element (2). A first heat dissipation hole (5) is provided on the outer wall of the tightening ring (1). A transverse reinforcing annular rib (7) is fixedly installed in the middle of the annular cavity (4). A vertical reinforcing annular rib (8) is fixedly installed between the middle of the outer surfaces of the upper and lower ends of the transverse reinforcing annular rib (7) and the annular cavity (4). A first ventilation hole (9) is provided on the upper outer surface of the transverse reinforcing annular rib (7). The first ventilation hole (9) penetrates to the transverse reinforcing annular rib. The lower outer surface of the annular rib (7) and the outer surface of one side of the vertical reinforcing annular rib (8) are provided with a second ventilation hole (10). The second ventilation hole (10) extends through to the outer surface of the other side of the vertical reinforcing annular rib (8). The loose ring (3) is provided with an annular guide cavity (11) on the side of the rolling body (2). A coolant inlet valve (13) is fixedly installed at one end of the outer surface of the loose ring (3) away from the rolling body (2). A coolant outlet valve (15) is fixedly installed at the other end of the outer surface of the loose ring (3) away from the rolling body (2). A water inlet pipe (14) is connected between the coolant inlet valve (13) and the annular guide cavity (11). A water outlet pipe (16) is connected between the coolant outlet valve (15) and the annular guide cavity (11).

2. The corrosion-resistant and high-temperature-resistant thrust bearing according to claim 1, characterized in that: The annular guide cavity (11) is fixedly installed with guide protrusions (12).

3. The corrosion-resistant and high-temperature-resistant thrust bearing according to claim 1, characterized in that: Both the coolant inlet valve (13) and the coolant outlet valve (15) are connected to an external circulating cooling system.

4. The corrosion-resistant and high-temperature-resistant thrust bearing according to claim 1, characterized in that: The anti-corrosion outer layer (19) is made of ceramic coating.

5. The corrosion-resistant and high-temperature-resistant thrust bearing according to claim 1, characterized in that: The thermally conductive intermediate layer (18) is made of copper alloy or graphene composite material.

6. The corrosion-resistant and high-temperature-resistant thrust bearing according to claim 1, characterized in that: The thickness of the anti-corrosion outer layer (19) is 10~50μm, and the thickness of the thermally conductive intermediate layer (18) is 0.5~2mm.

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