An aircraft wheel hub part protected by a sacrificial layer

Abstract

The utility model provides a kind of aircraft hub parts with sacrificial layer protection, including hub, the protruding part is arranged in the hub two sides front, the protruding part center is penetrated and is equipped with installation axis, it is characterized in that, the protruding part and the surface of the hub front located at the protruding part around respectively open several first threaded holes and second threaded holes, the protruding part and the surface of the hub front located at the protruding part around respectively are provided with first protective ring and second protective ring, first protective ring and second protective ring are fixed by several first bolt and second bolt thread between several first threaded holes and second threaded holes, the two protective rings that can be fixed on the hub can be first to suffer abrasion and impact, avoid the coating on the surface of hub to be scratched damage loss its effect.

Description

Technical Field

[0001] This utility model relates to the field of aircraft wheel hub parts with sacrificial layer protection. Background Technology

[0002] Currently, with the rapid development of my country's economy, airplanes are increasingly becoming an important means of transportation for medium and long distances. Due to the special nature of aircraft operation, aircraft maintenance and regular inspections are particularly important. Aircraft wheel hubs are generally coated with a thermally sprayed zinc-aluminum coating to resist the harsh environment of high salt spray. During takeoff and landing, stones and other debris often impact the wheel hub surface, causing scratches and damage to the coating, resulting in a decrease or even loss of coating effectiveness. Therefore, there is an urgent need for a new type of aircraft wheel hub part with a sacrificial layer protection to solve the above-mentioned technical problems. Utility Model Content

[0003] This invention aims to solve the problem that during the takeoff and landing of aircraft, stones and other debris often impact the surface of the wheel hub, causing scratches and damage to the coating, resulting in a decrease or even loss of the coating effect.

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

[0005] An aircraft wheel hub component with sacrificial layer protection includes: a wheel hub, wherein protrusions are provided on both sides of the front surface of the wheel hub, and a mounting shaft is provided through the center of each protrusion; wherein a plurality of first threaded holes and second threaded holes are respectively provided on the protrusions and the front surface of the wheel hub surrounding the protrusions; a first protective ring and a second protective ring are respectively provided on the protrusions and the front surface of the wheel hub surrounding the protrusions; and the first protective ring and the second protective ring are threadedly fixed to the plurality of first threaded holes and the second threaded holes by a plurality of first bolts and second bolts.

[0006] Furthermore, a tire is fitted over the outer casing of the wheel hub, and the tire is in contact with the inner ring wall of the wheel hub.

[0007] Furthermore, the inner ring wall of the hub is provided with several guide grooves.

[0008] Furthermore, both sides of the hub surface are coated with a coating to adapt to high salt spray environments and prevent corrosion.

[0009] Furthermore, the coating is made of thermally sprayed zinc-aluminum material.

[0010] Furthermore, a number of connecting rods are fixedly connected between the first protective ring and the second protective ring.

[0011] Compared with the prior art, the beneficial effects of this utility model include: the first and second protective rings can cover the coated surfaces on both sides of the hub, preventing damage to the coating caused by impacts from stones and other debris during aircraft takeoff; at the same time, the two protective rings are fixed by bolts, allowing for quick installation and replacement, saving time and effort. Attached Figure Description

[0012] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0013] Figure 1 This is an overall structural diagram of an embodiment of the present utility model;

[0014] Figure 2 This is a structural diagram of the present invention after the tire has been removed;

[0015] Figure 3 This is a diagram of the wheel hub structure according to an embodiment of the present utility model.

[0016] Labels in the diagram: 1. Hub; 2. Tire; 3. Guide groove; 4. Mounting shaft; 5. First threaded hole; 6. Second threaded hole; 7. First protective ring; 8. Second protective ring; 9. First bolt; 10. Second bolt; 11. Connecting rod; 12. Coating; 13. Protrusion. Detailed Implementation

[0017] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0018] Example 1: A hub 1 has protrusions 13 on both sides of its front surface. A mounting shaft 4 is inserted through the center of each protrusion 13. The hub 1 is characterized by having several first threaded holes 5 and second threaded holes 6 on the surfaces of the protrusions 13 and the front surface of the hub 1 surrounding the protrusions 13. A first protective ring 7 and a second protective ring 8 are also provided on the surfaces of the protrusions 13 and the front surface of the hub 1 surrounding the protrusions 13. The first protective ring 7 and the second protective ring 8 are threadedly fixed to the several first threaded holes 5 and the second threaded holes 6 by several first bolts 9 and second bolts 10. A tire 2 is fitted over the hub 1, and the tire 2 fits against the inner ring wall of the hub 1. Several connecting rods 11 are fixedly connected between the first protective ring 7 and the second protective ring 8. The first protective ring 7 and the second protective ring 8 can be fixed to the coated surfaces of the hub 1 under the action of bolts, preventing wear and damage to the coating caused by impacts from stones and other debris during takeoff. The connecting rods 11 enhance the connection stability between the two protective rings.

[0019] In Example 2, the inner annular wall of the hub 1 is provided with several guide grooves 3. When corrosive liquid is present on the annular inner wall of the hub 1, these grooves will guide the liquid to flow out of the hub 1.

[0020] In Example 3, both sides of the hub 1 have a coating 12. The coating 12 is used to adapt to the high salt spray environment and avoid corrosion. The coating 12 is made of thermally sprayed zinc-aluminum material.

[0021] Before use, the first protective ring 7 and the second protective ring 8 are respectively attached to the surface around the mounting shaft 4 on the protrusion 13 and the surface around the protrusion 13. Then, several first bolts 9 and second bolts 10 are respectively threaded into several first threaded holes 5 and second threaded holes 6, so that the two protective rings are attached to the two sides of the coated hub 1, avoiding damage to the coating caused by impact from stones and other debris during flight.

[0022] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. An aircraft wheel hub component with a sacrificial layer protection, comprising a wheel hub (1), wherein protrusions (13) are provided on both sides of the front of the wheel hub (1), and a mounting shaft (4) is provided through the center of each protrusion (13), characterized in that... The protrusion (13) and the front surface of the hub (1) surrounding the protrusion (13) are respectively provided with a plurality of first threaded holes (5) and second threaded holes (6). The protrusion (13) and the front surface of the hub (1) surrounding the protrusion (13) are respectively provided with a first protective ring (7) and a second protective ring (8). The first protective ring (7) and the second protective ring (8) are threadedly fixed to the plurality of first threaded holes (5) and second threaded holes (6) by a plurality of first bolts (9) and second bolts (10).

2. The aircraft wheel hub component with sacrificial layer protection according to claim 1, characterized in that, The wheel hub (1) is fitted with a tire (2), and the tire (2) is in contact with the inner ring wall of the wheel hub (1).

3. The aircraft wheel hub component with sacrificial layer protection according to claim 1, characterized in that, The inner ring wall of the hub (1) is provided with several guide grooves (3).

4. The aircraft wheel hub component with sacrificial layer protection according to claim 1, characterized in that, Both sides of the hub (1) have a coating (12) to adapt to the high salt spray environment and avoid corrosion.

5. An aircraft wheel hub component with sacrificial layer protection according to claim 4, characterized in that, The coating (12) is made of thermally sprayed zinc-aluminum material.

6. An aircraft wheel hub component with sacrificial layer protection according to claim 1, characterized in that, A number of connecting rods (11) are fixedly connected between the first protective ring (7) and the second protective ring (8).

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