Thrust wheel with high adaptability

Abstract

The thrust wheel comprises a thrust wheel body and a rotating rod, the thrust wheel body comprises two wheel bodies and a connecting column, the two wheel bodies are coaxially and fixedly connected through the connecting column, rolling grooves are formed in the two wheel bodies, a through opening is formed in the thrust wheel body in a penetrating mode, the rotating rod penetrates through the through opening, and the rolling grooves are formed in the rotating rod. The inner wall of the through opening is fixedly connected with two bearings, the two bearings are both fixedly connected with the rotating rod, the inner wall of the through opening is fixedly connected with two sealing pieces, and the two sealing pieces are both rotationally connected with the outer wall of the rotating rod; the thrust wheel body is sequentially provided with an anti-oxidation layer, a corrosion-resistant layer, a wear-resistant layer and a high-strength and high-hardness layer from outside to inside. According to the utility model, the sealing element is arranged to protect the bearing, so that the bearing is prevented from being polluted by external dust and impurities; and by arranging the anti-oxidation layer, the corrosion-resistant layer, the wear-resistant layer and the high-strength hardness layer, the service life of the thrust wheel is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of track wheels, in particular to a track wheel with high adaptability. Background Art

[0002] The track wheel is one of the four wheels and one belt in the crawler chassis of excavators, bulldozers, etc. Its main function is to support the weight of the excavator and bulldozer so that the track can move forward along the wheel.

[0003] The track roller is an important component of the crawler excavator's walking and supporting system. Normally, the track roller is a carrier that bears the weight of the entire machine and has high technical requirements. The existing track roller is equipped with bearings, but the exposed setting of the bearings makes it easy for foreign dust and other impurities to enter the bearings and cause damage to the bearings. In addition, the existing track rollers work in harsh environments, resulting in a short service life. In order to solve the above problems, the present application proposes a highly adaptable track roller. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a highly adaptable supporting wheel, which can protect the bearing by arranging a seal to prevent external dust and impurities from contaminating the bearing; by arranging an anti-oxidation layer, a corrosion-resistant layer, a wear-resistant layer and a high-strength hardness layer, the service life of the supporting wheel is effectively extended.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A high-adaptability track roller comprises a track roller body and a rotating rod, the track roller body comprises two wheel bodies and a connecting column, the two wheel bodies are coaxially fixedly connected via the connecting column, rolling grooves are provided on the two wheel bodies, a through opening is penetrated on the track roller body, the rotating rod penetrates the through opening, two bearings are fixedly connected to the inner wall of the through opening, the two bearings are fixedly connected to the rotating rod, two seals are fixedly connected to the inner wall of the through opening, the two seals are rotatably connected to the outer wall of the rotating rod, and the materials of the track roller body are arranged from the surface to the inside in sequence as an anti-oxidation layer, a corrosion-resistant layer, a wear-resistant layer and a high-strength hardness layer.

[0007] By adopting the above technical solution, both ends of the through opening can be sealed by setting a seal, thereby preventing external dust and impurities from contaminating the bearing and ensuring the normal use of the bearing.

[0008] Preferably, the inner wall of the through opening is fixedly connected to the outer ring of the bearing, and the outer wall of the rotating rod is fixedly connected to the inner ring of the bearing.

[0009] By adopting the above technical solution and arranging the bearing, the track wheel body and the rotating rod can be rotated.

[0010] Preferably, the material of the anti-oxidation layer is anti-oxidation paint.

[0011] By adopting the above technical solution, oxygen can be isolated by setting the anti-oxidation paint, thereby isolating oxygen and avoiding oxidation.

[0012] Preferably, the corrosion-resistant layer is made of organosilicon glass resin and nano-titanium.

[0013] By adopting the above technical scheme, the organic silicon glass resin and nano titanium can have good film-forming properties. After spraying, drying and curing, a hard film can be formed on the surface, which plays a role of isolation and corrosion resistance.

[0014] Preferably, the wear-resistant layer is made of molybdenum coating.

[0015] By adopting the above technical solution and setting a molybdenum coating, the coating has the characteristics of toughness and density, low roughness, good anti-seizure performance, excellent anti-abrasion performance, ability to withstand instantaneous high temperature of friction, and high bonding strength to many metals and alloys.

[0016] Preferably, the high-strength hardness layer is made of high-carbon steel.

[0017] By adopting the above technical solution, the high carbon steel has high hardness and strength after proper heat treatment, thereby extending the service life of the device.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. By setting the seal, it is possible to prevent external dust and other impurities from entering the bearings and affecting the rotation effect. The bearings are protected, which can significantly improve the ability of the track roller to cope with harsh environments, significantly improve the durability of the track roller, and improve the adaptability of the track roller.

[0020] 2. The service life of the track roller is effectively extended by setting an anti-oxidation layer, a corrosion-resistant layer, a wear-resistant layer and a high-strength hardness layer.

[0021] In summary, by setting up seals, the bearings can be protected to prevent external dust and impurities from contaminating the bearings; by setting up an anti-oxidation layer, a corrosion-resistant layer, a wear-resistant layer and a high-strength hardness layer, the service life of the supporting wheel can be effectively extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of a track wheel with high adaptability proposed by the utility model;

[0023] Figure 2 This is a cross-sectional view of a track wheel with high adaptability proposed by the utility model;

[0024] Figure 3 This is a material profile of a track wheel with high adaptability proposed by the utility model.

[0025] In the figure: 1 supporting wheel body, 11 wheel body, 12 rolling groove, 13 connecting column, 14 through port, 15 bearing, 16 sealing element, 2 rotating rod, 3 anti-oxidation layer, 4 corrosion-resistant layer, 5 wear-resistant layer, 6 high-strength hardness layer. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Reference Figure 1-Figure 3 A track roller with high adaptability includes a track roller body 1 and a rotating rod 2. The track roller body 1 includes two wheel bodies 11 and a connecting column 13. The two wheel bodies 11 have the same diameter specifications and high adaptability. The two wheel bodies 11 are coaxially fixedly connected by the connecting column 13, and rolling grooves 12 are opened on the two wheel bodies 11.

[0028] A through opening 14 is penetrated on the supporting wheel body 1, and the rotating rod 2 is set through the through opening 14. The diameter of the rotating rod 2 is smaller than the diameter of the through opening 14, and the adaptability is high. The inner wall of the through opening 14 is fixedly connected to two bearings 15, and the two bearings 15 are fixedly connected to the rotating rod 2. The inner wall of the through opening 14 is fixedly connected to the outer ring of the bearing 15, and the outer wall of the rotating rod 2 is fixedly connected to the inner ring of the bearing 15. The inner wall of the through opening 14 is fixedly connected to two seals 16, and the two seals 16 are rotatably connected to the outer wall of the rotating rod 2. By providing the seals 16, impurities such as dust from the outside can be prevented from entering the bearing 15, which affects the rotation effect. The ability of the supporting wheel to cope with harsh environments can be significantly improved, the durability of the supporting wheel can be significantly improved, and the adaptability of the supporting wheel can be improved.

[0029] The materials of the supporting wheel body 1 are arranged in sequence from the outside to the inside as an anti-oxidation layer 3, a corrosion-resistant layer 4, a wear-resistant layer 5 and a high-strength hardness layer 6. The material of the anti-oxidation layer 3 is an antioxidant paint, which plays a role in isolating oxygen; the material of the corrosion-resistant layer 4 is silicone glass resin and nano-titanium, which has good film-forming properties. After spraying, drying and curing, a hard film can be formed on its surface, which plays a role in corrosion resistance; the material of the wear-resistant layer 5 is a molybdenum coating, which is tough and dense, with low roughness, good anti-seizure performance, excellent anti-abrasion performance, can withstand instantaneous friction high temperature, and has high bonding strength to many metals and alloys; the material of the high-strength hardness layer 6 is high carbon steel, which has high hardness and strength after proper heat treatment, thereby extending the service life of the device.

[0030] The utility model solves the problem that the exposed bearing arrangement in the prior art easily allows foreign dust and other impurities to enter the bearing and cause damage to the bearing, and the existing supporting wheels work in harsh environments, resulting in a short service life, by arranging a seal, an anti-oxidation layer, a corrosion-resistant layer, a wear-resistant layer and a high-strength hardness layer.

Claims

1. A track roller with high adaptability, comprising a track roller body (1) and a rotating rod (2), characterized in that: The roller body (1) comprises two wheel bodies (11) and a connecting column (13). The two wheel bodies (11) are coaxially fixedly connected via the connecting column (13). The two wheel bodies (11) are both provided with rolling grooves (12). A through hole (14) is provided through the roller body (1). The rotating rod (2) is provided through the through hole (14). Two bearings (15) are fixedly connected to the inner wall of the through hole (14). The two bearings (15) are both fixedly connected to the rotating rod (2). Two sealing members (16) are fixedly connected to the inner wall of the through hole (14). The two sealing members (16) are rotatably connected to the outer wall of the rotating rod (2). The material of the roller body (1) is sequentially provided from the outside to the inside as an anti-oxidation layer (3), a corrosion-resistant layer (4), a wear-resistant layer (5) and a high-strength hardness layer (6).

2. A track wheel with high adaptability according to claim 1, characterized in that: The inner wall of the through opening (14) is fixedly connected to the outer ring of the bearing (15), and the outer wall of the rotating rod (2) is fixedly connected to the inner ring of the bearing (15).

3. The track wheel with high adaptability according to claim 1, characterized in that: The material of the anti-oxidation layer (3) is anti-oxidation paint.

4. The track wheel with high adaptability according to claim 1, characterized in that: The material of the corrosion-resistant layer (4) is organic silicon glass resin and nano-titanium.

5. The track wheel with high adaptability according to claim 1, characterized in that: The material of the wear-resistant layer (5) is a molybdenum coating.

6. The track wheel with high adaptability according to claim 1, characterized in that: The material of the high-strength hardness layer (6) is high-carbon steel.

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