Anti-corrosion bearing

Abstract

The utility model relates to the technical field of bearings, in particular to a corrosion-resistant bearing which comprises an outer ferrule, an inner ferrule arranged in the outer ferrule, an outer mounting ring fixedly mounted on the inner side wall of the outer ferrule, an inner mounting ring fixedly mounted on the outer side wall of the inner ferrule, and a same mounting framework arranged between the inner mounting ring and the outer mounting ring. A double-layer anti-corrosion structure is arranged in the mounting framework, the outer layer is a second anti-corrosion layer made of 304 stainless steel, the inner layer is a first anti-corrosion layer made of titanium alloy, the two layers are welded and fixed to form a tightly-combined protective barrier, and the first anti-corrosion layer directly resists corrosion of corrosive media possibly generated inside by means of excellent corrosion resistance of titanium alloy. The protection effect of the second anti-corrosion layer is further enhanced through the stable chemical performance of 304 stainless steel, the double anti-corrosion layers form static protection from the interior of the structure, and damage of external corrosion factors to the installation framework, internal balls and other key components is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field, concretely is a kind of anticorrosive bearing. BACKGROUND

[0002] Anticorrosive bearing is a kind of mechanical basic components that can work normally in the environment with corrosive medium (such as acid-base solution, salt fog, humid water vapor, chemical gas etc.), effectively resist the damage of corrosion to bearing structure and performance by special design, material selection or process treatment.

[0003] The corrosion protection of traditional bearing is mostly dependent on single protection means, such as using anticorrosive coating or selecting corrosion-resistant material to make components, but such method is difficult to deal with local corrosion problem generated in dynamic operation process, and cannot form continuous and effective protection for rotating parts in time, part bearings try to introduce liquid lubrication or anticorrosive measures, but there are problems such as uneven liquid distribution, secondary erosion of liquid accumulation, insufficient protection stability, etc., which is difficult to form all-round and long-acting anticorrosion system, in view of this, we propose a kind of anticorrosive bearing. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of anticorrosive bearing to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of anticorrosive bearing, comprising:

[0007] Outer sleeve, the inner sleeve is arranged in the outer sleeve, the inner side wall of the outer sleeve is fixedly installed with installation outer ring, the outer side wall of the inner sleeve is fixedly installed with installation inner ring, the same installation framework is arranged between installation inner ring and installation outer ring, the outer side wall of the installation framework is slidably connected with the inner side wall of installation outer ring, the inner side wall of the installation framework is slidably connected with the outer side wall of installation inner ring;

[0008] A plurality of circular grooves, a plurality of circular grooves are all arranged in installation framework, a plurality of rolling balls are all rotatably installed in a plurality of circular grooves, installation disc is fixedly installed on both sides of installation outer ring and installation inner ring;

[0009] Anticorrosion assembly, the anticorrosion assembly is arranged in installation framework, and is used for resisting corrosion to bearing interior;

[0010] Water feeding assembly, the water feeding assembly is arranged on one installation disc.

[0011] Preferably, the anti-corrosion assembly comprises a second anti-corrosion layer, the second anti-corrosion layer is arranged in the inside of the mounting frame, the inside of the second anti-corrosion layer is provided with the first anti-corrosion layer, and the second anti-corrosion layer and the first anti-corrosion layer are fixed by welding.

[0012] Preferably, the water feeding assembly comprises an annular mounting box, the annular mounting box is fixedly arranged on one side of one of the mounting discs, two fixing blocks are symmetrically arranged in the annular mounting box, the outer side walls of the two fixing blocks are fixedly connected with the inner side walls of the annular mounting box, a feeding pipe is arranged in the annular mounting box and located on one side of the two fixing blocks, the two ends of the feeding pipe are fixedly connected with one side of the two fixing blocks, and the two ends of the feeding pipe extend to the outside through one side of the two fixing blocks.

[0013] Preferably, the water feeding assembly further comprises a plurality of feeding pipes, the plurality of feeding pipes are fixedly arranged on the outer side wall of the feeding pipe, one end of the plurality of feeding pipes extends to the inside through one side of one of the mounting discs, one end of the plurality of feeding pipes is fixedly provided with a spray head, and the plurality of spray heads are located on one side of the plurality of balls.

[0014] Preferably, the material of the second anti-corrosion layer is 304 stainless steel, the thickness of the second anti-corrosion layer is 0.3-0.5 mm, the material of the first anti-corrosion layer is titanium alloy, and the thickness of the first anti-corrosion layer is 0.5-0.7 mm.

[0015] Preferably, one side of the other mounting disc is fixedly provided with a sponge, and the sponge is located on the other side of the plurality of balls.

[0016] Preferably, the plurality of balls are uniformly distributed, and the plurality of balls are made of alloy material.

[0017] Preferably, the surface of the sleeve ring is provided with anti-skid lines.

[0018] Compared with the prior art, the anti-corrosion assembly has the advantages that:

[0019] The anti-corrosion bearing, the anti-corrosion protection is one of the core functions of the bearing, the double anti-corrosion structure is arranged in the installation framework, the outer layer is the second anti-corrosion layer of 304 stainless steel material, the inner layer is the first anti-corrosion layer of titanium alloy material, the two layers are fixed by welding to form a closely combined protective barrier, the first anti-corrosion layer directly resists the corrosion medium erosion that can be generated inside by virtue of the excellent corrosion resistance of titanium alloy, and the second anti-corrosion layer further enhances the protection effect by the stable chemical properties of 304 stainless steel, the double anti-corrosion layer forms static protection from the inside structure, reduces the damage of external corrosion factors to the installation framework and internal ball bearings and other key components, the feeding pipe in the annular mounting box is stably mounted through two fixing blocks, the external anti-corrosion liquid can be connected through the feeding pipe, after the liquid enters the feeding pipe, it is conveyed to the bearing inside through a plurality of feeding pipes, the spray head at one end of the feeding pipe uniformly sprays the anti-corrosion liquid on the contact area of the ball bearings and the installation framework, and forms dynamic anti-corrosion protection on the rotating parts, and the sponge on the other mounting disc can absorb excess liquid to avoid secondary erosion caused by liquid accumulation, and at the same time, the internal lubrication environment is stable, in addition, a plurality of uniformly distributed ball bearings reduce friction loss in the rotating process, the anti-slip pattern on the surface of the outer ring enhances the installation stability, the double anti-corrosion structure of the anti-corrosion assembly and the dynamic liquid protection of the water feeding assembly form a double anti-corrosion system of static protection and dynamic maintenance, effectively resist the corrosion of external and internal factors on the bearing, and ensure the long-term stable operation of the bearing in complex environment. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the internal structure schematic diagram in the utility model;

[0022] Figure 3 It is the water feeding assembly structure schematic diagram in the utility model;

[0023] Figure 4 It is the sponge internal structure schematic diagram in the utility model.

[0024] In the drawing: 1, outer ring;2, inner ring;3, mounting disc;4, annular mounting box;5, installation outer ring;6, installation inner ring;7, installation framework;8, first anti-corrosion layer;9, second anti-corrosion layer;10, ball bearing;11, fixed block;12, feeding pipe;13, feeding pipe;14, spray head;15, sponge;16, circular groove. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. The techniques, methods and devices known to those skilled in the art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0027] Please refer to Figure 1 Figure 4 The utility model provides a technical scheme:

[0028] An anti-corrosion bearing comprises:

[0029] ​The outer sleeve 1 is internally provided with an inner sleeve 2, the inner side wall of the outer sleeve 1 is fixedly provided with an installation outer ring 5, the outer side wall of the inner sleeve 2 is fixedly provided with an installation inner ring 6, the installation inner ring 6 and the installation outer ring 5 are provided with the same installation framework 7, the outer side wall of the installation framework 7 is in sliding connection with the inner side wall of the installation outer ring 5, and the inner side wall of the installation framework 7 is in sliding connection with the outer side wall of the installation inner ring 6; a plurality of circular grooves 16 are arranged in the installation framework 7, and a plurality of rolling balls 10 are rotatably arranged in the circular grooves 16; the installation outer ring 5 and the installation inner ring 6 are fixedly provided with installation discs 3; the corrosion-resistant assembly is arranged in the installation framework 7 and is used for resisting corrosion in the bearing; the water feeding assembly is arranged on one of the installation discs 3, corrosion resistance is one of the core functions of the bearing, the installation framework 7 is internally provided with a double-layer corrosion-resistant structure, the outer layer is a second corrosion-resistant layer 9 made of 304 stainless steel, the inner layer is a first corrosion-resistant layer 8 made of titanium alloy, the two layers are fixedly connected through welding to form a tightly combined protective barrier, the first corrosion-resistant layer 8 directly resists corrosion medium invasion in the bearing by virtue of the excellent corrosion resistance of titanium alloy, and the second corrosion-resistant layer 9 further enhances the protection effect by virtue of the stable chemical properties of 304 stainless steel, the double-layer corrosion-resistant structure forms static protection from the inside of the structure, reduces damage of external corrosion factors to the installation framework 7 and internal rolling balls 10 and other key components, the feeding pipe 12 in the annular installation box 4 is stably installed through the two fixed blocks 11, external corrosion-resistant liquid can be connected through the two ends of the feeding pipe 12, after the liquid enters the feeding pipe 12, the liquid is transported to the bearing through a plurality of feeding pipes 13, the spray head 14 at one end of the feeding pipe 13 uniformly sprays the corrosion-resistant liquid on the contact area of the rolling ball 10 and the installation framework 7, and forms dynamic corrosion protection on the rotating part, and the sponge 15 on the other installation disc 3 can absorb excess liquid, avoid secondary erosion caused by liquid accumulation, and keep the internal lubricating environment stable, in addition, a plurality of uniformly distributed rolling balls 10 reduce friction loss in the rotating process, anti-skid lines on the surface of the outer sleeve 1 enhance installation stability, the double-layer corrosion-resistant structure of the corrosion-resistant assembly and the dynamic liquid protection of the water feeding assembly form a double corrosion-resistant system of static protection and dynamic maintenance, effectively resist corrosion of the bearing caused by external and internal factors, and guarantee long-term stable operation of the bearing in a complex environment.

[0030] In the embodiment, the corrosion-resistant assembly comprises the second corrosion-resistant layer 9, the second corrosion-resistant layer 9 is arranged in the installation framework 7, the second corrosion-resistant layer 9 is internally provided with the first corrosion-resistant layer 8, and the second corrosion-resistant layer 9 and the first corrosion-resistant layer 8 are fixedly connected through welding, the installation framework 7 is internally provided with a double-layer corrosion-resistant structure, the outer layer is the second corrosion-resistant layer 9 made of 304 stainless steel, and the inner layer is the first corrosion-resistant layer 8 made of titanium alloy, the two layers are fixedly connected through welding to form a tightly combined protective barrier, and the first corrosion-resistant layer 8 directly resists corrosion medium invasion in the bearing by virtue of the excellent corrosion resistance of titanium alloy.

[0031] In the embodiment, the water feeding assembly comprises a ring-shaped mounting box 4 fixedly installed on one side of one of the mounting plates 3, two fixed blocks 11 symmetrically arranged in the ring-shaped mounting box 4, outer side walls of the two fixed blocks 11 fixedly connected with inner side walls of the ring-shaped mounting box 4, a feeding pipe 12 arranged in the ring-shaped mounting box 4 and located on one side of the two fixed blocks 11, both ends of the feeding pipe 12 fixedly connected with one side of the two fixed blocks 11, both ends of the feeding pipe 12 penetrating one side of the two fixed blocks 11 and extending to the outside, the feeding pipe 12 in the ring-shaped mounting box 4 stably installed through the two fixed blocks 11, the anticorrosive liquid capable of being accessed through both ends of the feeding pipe 12, the liquid entering the feeding pipe 12 and then transported to the bearing interior through a plurality of feeding pipes 13, the spray head 14 at one end of the feeding pipe 13 uniformly spraying the anticorrosive liquid on the contact area between the ball 10 and the mounting framework 7, and the dynamic anticorrosive protection formed on the rotating part.

[0032] In the embodiment, the water feeding assembly further comprises a plurality of feeding pipes 13 fixedly installed on the outer side wall of the feeding pipe 12, one end of each of the plurality of feeding pipes 13 penetrating one side of one of the mounting plates 3 and extending to the interior, the spray head 14 fixedly installed at one end of each of the plurality of feeding pipes 13, the plurality of spray heads 14 located on one side of the plurality of balls 10, the feeding pipe 12 in the ring-shaped mounting box 4 stably installed through the two fixed blocks 11, the anticorrosive liquid capable of being accessed through both ends of the feeding pipe 12, the liquid entering the feeding pipe 12 and then transported to the bearing interior through the plurality of feeding pipes 13, the spray head 14 at one end of the feeding pipe 13 uniformly spraying the anticorrosive liquid on the contact area between the ball 10 and the mounting framework 7, and the dynamic anticorrosive protection formed on the rotating part.

[0033] In the embodiment, the material of the second anticorrosive layer 9 is 304 stainless steel, the thickness of the second anticorrosive layer 9 is 0.3mm-0.5mm, the material of the first anticorrosive layer 8 is titanium alloy, and the thickness of the first anticorrosive layer 8 is 0.5mm-0.7mm. The first anticorrosive layer 8 directly resists the corrosion medium invasion possibly generated in the interior by virtue of the excellent corrosion resistance of titanium alloy, and the second anticorrosive layer 9 further enhances the protection effect by the stable chemical property of 304 stainless steel. The double anticorrosive layers form the static protection from the structure interior, and reduce the damage of the external corrosion factors to the mounting framework 7 and the internal ball 10 and other key components.

[0034] In the embodiment, the other mounting plate 3 is fixedly installed with a sponge 15 on one side, the sponge 15 is located on the other side of the plurality of balls 10, and the sponge 15 can absorb the excess liquid to avoid the secondary erosion caused by the accumulated liquid and maintain the stable lubrication environment in the interior.

[0035] In the embodiment, the plurality of balls 10 are uniformly distributed, and the plurality of balls 10 are made of alloy material. The alloy material can improve the hardness and wear resistance of the ball 10, thereby prolonging the service life of the ball 10.

[0036] In the embodiment, the surface of the outer race 1 is provided with anti-skid lines to enhance the installation stability.

[0037] In use, the anti-corrosion protection is one of the core functions of the bearing, the double-layer anti-corrosion structure is arranged in the installation skeleton 7, the outer layer is the second anti-corrosion layer 9 made of 304 stainless steel, and the inner layer is the first anti-corrosion layer 8 made of titanium alloy, the two layers are fixed by welding to form a tightly combined protective barrier, the first anti-corrosion layer 8 directly resists the corrosion medium generated inside by virtue of the excellent corrosion resistance of titanium alloy, and the second anti-corrosion layer 9 further enhances the protection effect by virtue of the stable chemical properties of 304 stainless steel, the double-layer anti-corrosion layer forms static protection from the inside of the structure, reduces the damage of external corrosion factors to the installation skeleton 7 and the internal key components such as the rolling ball 10, the feeding pipe 12 in the annular installation box 4 is stably installed through the two fixing blocks 11, the external anti-corrosion liquid can be connected through the two ends of the feeding pipe 12, after the liquid enters the feeding pipe 12, it is transported to the inside of the bearing through the plurality of feeding pipes 13, the spray head 14 at one end of the feeding pipe 13 uniformly sprays the anti-corrosion liquid on the contact area of the rolling ball 10 and the installation skeleton 7 to form dynamic anti-corrosion protection on the rotating components, and the sponge 15 on the other installation disc 3 can absorb the excess liquid to avoid secondary erosion caused by liquid accumulation and maintain the stability of the internal lubricating environment, in addition, the plurality of uniformly distributed rolling balls 10 reduce friction loss in the rotating process, the anti-skid lines on the surface of the outer race 1 enhance the installation stability, the double-layer anti-corrosion structure of the anti-corrosion assembly and the dynamic liquid protection of the water feeding assembly form a double anti-corrosion system of static protection and dynamic maintenance, effectively resist the corrosion of external and internal factors on the bearing, and protect the long-term stable operation of the bearing in complex environment.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A corrosion resistant bearing, characterized by, Include: The outer sleeve (1) is provided with an inner sleeve (2), the inner side wall of the outer sleeve (1) is fixedly installed with the installation outer ring (5), the outer side wall of the inner sleeve (2) is fixedly installed with the installation inner ring (6), the installation inner ring (6) and the installation outer ring (5) are provided with the same installation skeleton (7), the outer side wall of the installation skeleton (7) is slidably connected with the inner side wall of the installation outer ring (5), and the inner side wall of the installation skeleton (7) is slidably connected with the outer side wall of the installation inner ring (6); A plurality of circular grooves (16) are formed in the installation skeleton (7), and a plurality of rolling balls (10) are rotatably installed in the plurality of circular grooves (16); Corrosion-resistant assembly, the corrosion-resistant assembly is arranged in the installation skeleton (7), and is used for resisting corrosion to the inside of the bearing; Water feeding assembly, the water feeding assembly is arranged on one of the installation disc (3).

2. A corrosion resistant bearing according to claim 1, wherein: The corrosion-resistant assembly includes a second corrosion-resistant layer (9), the second corrosion-resistant layer (9) is arranged in the installation skeleton (7), the second corrosion-resistant layer (9) is provided with a first corrosion-resistant layer (8), and the second corrosion-resistant layer (9) and the first corrosion-resistant layer (8) are fixed by welding.

3. A corrosion resistant bearing according to claim 1, wherein: The water feeding assembly includes an annular mounting box (4), the annular mounting box (4) is fixedly installed on one side of one of the installation disc (3), two fixed blocks (11) are symmetrically arranged in the annular mounting box (4), the outer side wall of the two fixed blocks (11) is fixedly connected with the inner side wall of the annular mounting box (4), a feeding pipe (12) is arranged in the annular mounting box (4) and located on one side of the two fixed blocks (11), both ends of the feeding pipe (12) are fixedly connected with one side of the two fixed blocks (11), and both ends of the feeding pipe (12) penetrate one side of the two fixed blocks (11) and extend to the outside.

4. A corrosion resistant bearing according to claim 3, wherein: The water feeding assembly further includes a plurality of feeding pipes (13), the plurality of feeding pipes (13) are fixedly installed on the outer side wall of the feeding pipe (12), one end of the plurality of feeding pipes (13) penetrates one side of one of the installation disc (3) and extends to the inside, one end of the plurality of feeding pipes (13) is fixedly installed with a spray head (14), and the plurality of spray heads (14) are located on one side of the plurality of rolling balls (10).

5. A corrosion resistant bearing according to claim 2, wherein: The material of the second corrosion-resistant layer (9) is 304 stainless steel, the thickness of the second corrosion-resistant layer (9) is 0.3mm-0.5mm, the material of the first corrosion-resistant layer (8) is titanium alloy, and the thickness of the first corrosion-resistant layer (8) is 0.5mm-0.7mm.

6. A corrosion resistant bearing according to claim 3, wherein: One side of another installation disc (3) is fixedly installed with a sponge (15), and the sponge (15) is located on the other side of the plurality of rolling balls (10).

7. A corrosion resistant bearing according to claim 1 wherein: The plurality of rolling balls (10) are evenly distributed, and the plurality of rolling balls (10) are made of alloy material.

8. A corrosion resistant bearing according to claim 1 wherein: The surface of the outer sleeve (1) is provided with anti-skid lines.

Images