Maintenance free brake disc wheel end axle

Abstract

The utility model relates to brake disc wheel end axle technical field, especially, a kind of maintenance-free brake disc wheel end axle, it include: axle housing assembly, maintenance-free wheel hub bearing unit assembly, wheel hub brake disc assembly.The carbon-tao brake disc in the utility model is installed on base by inlaying, base is locked to maintenance-free wheel hub bearing unit assembly, so that wheel hub brake disc assembly and maintenance-free wheel hub bearing unit assembly can be conveniently and quickly assembled to axle housing assembly, and the brake disc of wheel hub brake disc assembly is carbon-tao brake disc, with carbon fiber reinforced silicon carbide base composite material as main material, with high temperature resistance, wear resistance, high hardness, oxidation resistance and other advantages, longer service life, vehicle assembly driving million kilometers without replacement, can realize vehicle full cycle without disassembly and maintenance, it is used with maintenance-free wheel hub bearing unit assembly, to realize without needing to do regular maintenance treatment for wheel end, cost reduction, spare parts are also not easy to be damaged due to disassembly, higher safety.

Description

Technical Field

[0001] This utility model relates to the field of brake disc wheel end axle technology, and in particular to a maintenance-free brake disc wheel end axle. Background Technology

[0002] Most disc brake axle wheel-end bearings on the market are currently maintenance-free, meaning they require no maintenance throughout their entire operating cycle. However, the conventional brake discs used in these vehicles are consumable parts and need to be removed and replaced after a specified period. The removal process involves: disassembling the brake caliper chamber assembly, removing the half-shaft bolts, removing the half-shaft, tightening the lock nut, removing the anti-rollover washer, and finally removing the wheel hub brake disc assembly. This process is not only cumbersome and costly to maintain, but it can also damage the bearing seals during disassembly and assembly, or even cause bearing damage or insufficient cleanliness to meet assembly requirements, significantly impacting the overall vehicle lifespan and posing certain safety hazards.

[0003] Based on the above background, a maintenance-free brake disc wheel-end axle is proposed to solve the problem. Utility Model Content

[0004] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention may be realized and obtained by means of the structures particularly pointed out in the description and other accompanying drawings.

[0005] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a maintenance-free brake disc wheel end axle.

[0006] To achieve the above objectives, the technical solution of this utility model is: a maintenance-free brake disc wheel-end axle, comprising: an axle housing assembly, a maintenance-free wheel hub bearing unit assembly, a wheel hub brake disc assembly, and an O-ring seal. The maintenance-free wheel hub bearing unit assembly is mounted on the axle housing assembly, and the wheel hub brake disc assembly is bolted to the maintenance-free wheel hub bearing unit assembly. The O-ring seal is located on the inner side of the inner ring of the maintenance-free wheel hub bearing unit assembly. The wheel hub brake disc assembly includes a base, a bushing, and a carbon-ceramic brake disc. The carbon-ceramic brake disc is connected to the base via the bushing, and the base is bolted to the maintenance-free wheel hub bearing unit assembly.

[0007] In some embodiments, both the base and the bushing are made of metal.

[0008] In some embodiments, the hub brake disc assembly also includes a gear ring, which is mounted on the carbon ceramic brake disc via a threaded connection.

[0009] In some embodiments, the threaded element passes through the carbon ceramic brake disc and is threadedly connected to the bushing.

[0010] In some embodiments, a backlash shim is also included, which is disposed on the axle housing assembly and located on one side of the maintenance-free wheel hub bearing unit assembly.

[0011] In some embodiments, a locking nut is connected to the axle housing assembly, and the anti-reverse washer is fixed to the axle housing assembly by the locking nut and the edge of the locking nut is flattened after fixing.

[0012] By adopting the above technical solution, the beneficial effects of this utility model are as follows: The carbon ceramic brake disc in this utility model is installed on the base through a bushing, and the base is locked to the maintenance-free wheel hub bearing unit assembly, so that the wheel hub brake disc assembly and the maintenance-free wheel hub bearing unit assembly can be easily and quickly assembled into the axle housing assembly. Furthermore, the brake disc of the wheel hub brake disc assembly is a carbon ceramic brake disc, with carbon fiber reinforced silicon carbide-based composite material as the main material. It has advantages such as high temperature resistance, wear resistance, high hardness, and oxidation resistance, resulting in a longer service life. The entire vehicle can travel millions of kilometers without replacement, achieving the goal of no disassembly or maintenance throughout the entire vehicle cycle. When used in conjunction with the maintenance-free wheel hub bearing unit assembly, it eliminates the need for regular maintenance of the wheel ends, reducing costs and making the parts less prone to damage during disassembly and assembly, thus enhancing safety.

[0013] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure.

[0014] Undoubtedly, such and other objects of this invention will become more apparent after the following detailed description of the preferred embodiments, which are illustrated in various accompanying drawings and illustrations.

[0015] To make the above-mentioned beneficial effects and other objects, features and advantages of this utility model more apparent and understandable, one or more preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0016] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0017] In the accompanying drawings, the same parts use the same reference numerals, and the drawings are schematic and not necessarily drawn to actual scale.

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one or more embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on such drawings without creative effort.

[0019] Explanation of key figure labels: Figure 1 This is a schematic diagram of the structure of a maintenance-free brake disc wheel end axle according to the present invention; Figure 2 This is a schematic diagram of the maintenance-free wheel hub bearing unit assembly of this utility model; Figure 3 This is a cross-sectional structural diagram of the wheel hub brake disc assembly of this utility model; Figure 4 This is an exploded structural diagram of the wheel hub brake disc assembly of this utility model.

[0020] Explanation of main reference numerals: Axle housing assembly -1, Maintenance-free wheel hub bearing unit assembly -2, Wheel hub brake disc assembly -3, O-ring seal -4, Anti-rollover gasket -5, Locking nut -6, Base -31, Insert -32, Carbon ceramic brake disc -33, Gear ring -34, Threaded part -35. Detailed Implementation

[0021] The following detailed description of the embodiments of this utility model, in conjunction with the accompanying drawings, will provide a thorough understanding of how this utility model uses technical means to solve technical problems and achieve technical effects, enabling its implementation. It should be noted that, provided there is no conflict, the various embodiments and features within them can be combined with each other, and all resulting technical solutions are within the protection scope of this utility model.

[0022] Furthermore, numerous specific details are set forth in the following description for illustrative purposes to provide a thorough understanding of the embodiments of this invention. However, it will be apparent to those skilled in the art that this invention may be practiced without the specific details or particular methods described herein.

[0023] Please see Figure 1-4 This utility model provides a maintenance-free brake disc wheel-end axle, comprising: an axle housing assembly 1, a maintenance-free wheel hub bearing unit assembly 2, a wheel hub brake disc assembly 3, and an O-ring seal 4. The maintenance-free wheel hub bearing unit assembly 2 is mounted on the axle housing assembly 1, and the wheel hub brake disc assembly 3 is bolted to the maintenance-free wheel hub bearing unit assembly 2. The O-ring seal 4 is disposed on the inner side of the inner ring of the maintenance-free wheel hub bearing unit assembly 2. The wheel hub brake disc assembly 3 includes a base 31, a bushing 32, and a carbon-ceramic brake disc 33. The carbon-ceramic brake disc 33 is connected to the base 31 through the bushing 32, and the base 31 is bolted to the maintenance-free wheel hub bearing unit assembly 2.

[0024] When in use, the carbon ceramic brake disc 33 is mounted on the base 31 via the bushing 32. The base 31 is then locked onto the maintenance-free wheel hub bearing unit assembly 2, so that the wheel hub brake disc assembly 3 and the maintenance-free wheel hub bearing unit assembly 2 are assembled into the axle housing assembly 1. The brake disc of the wheel hub brake disc assembly 3 is a carbon ceramic brake disc 33, which has the functions of wear resistance, high hardness and high temperature resistance. The whole vehicle equipped with the carbon ceramic brake disc 33 does not need to be replaced after 1.2 million kilometers. It is used in conjunction with the maintenance-free wheel hub bearing unit assembly 2, thereby realizing the elimination of the need for regular maintenance of the wheel ends.

[0025] According to some embodiments of this application, optionally, both the base 31 and the sleeve 32 are made of metal. This results in a longer service life.

[0026] According to some embodiments of this application, optionally, the wheel hub brake disc assembly 3 also includes a gear ring 34, which is mounted on the carbon ceramic brake disc 33 via a threaded fitting 35. The gear ring 34 is a standard and essential component on the brake disc, preventing wheel lock-up during braking to improve driving safety.

[0027] According to some embodiments of this application, optionally, the threaded member 35 passes through the carbon-ceramic brake disc 33 and is threadedly connected to the bushing 32. This serves to secure the bushing 32, thereby connecting the carbon-ceramic brake disc 33 to the base 31.

[0028] According to some embodiments of this application, optionally, a backlash shim 5 is also included. The backlash shim 5 is disposed on the axle housing assembly 1 and located on one side of the maintenance-free wheel hub bearing unit assembly 2. A lock nut 6 is connected to the axle housing assembly 1. The backlash shim 5 is fixed to the axle housing assembly 1 by the lock nut 6, and after fixing, the edge of the lock nut 6 is flattened. This provides a stable connection and prevents loosening.

[0029] It should be understood that the embodiments disclosed herein are not limited to the specific processing steps or materials disclosed herein, but should be extended to equivalent substitutions of such features as understood by those skilled in the art. It should also be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

[0030] The term "embodiment" in this specification refers to a specific feature or characteristic described in connection with an embodiment that is included in at least one embodiment of the present invention. Therefore, phrases or "embodiments" appearing in various places throughout the specification do not necessarily refer to the same embodiment.

[0031] Furthermore, the described features or characteristics may be incorporated into one or more embodiments in any other suitable manner. In the above description, specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented without the aforementioned one or more specific details or may be implemented using other methods, components, materials, etc.

Claims

1. A maintenance-free brake disc wheel-end axle, characterized in that, include: The axle housing assembly (1), the maintenance-free wheel hub bearing unit assembly (2), the wheel hub brake disc assembly (3), and the O-ring seal (4) are all included. The maintenance-free wheel hub bearing unit assembly (2) is mounted on the axle housing assembly (1), and the wheel hub brake disc assembly (3) is bolted to the maintenance-free wheel hub bearing unit assembly (2). The O-ring seal (4) is located on the inner side of the inner ring of the maintenance-free wheel hub bearing unit assembly (2). The wheel hub brake disc assembly (3) includes a base (31), a bushing (32), and a carbon ceramic brake disc (33). The carbon ceramic brake disc (33) is connected to the base (31) through the bushing (32). The base (31) is bolted to the maintenance-free wheel hub bearing unit assembly (2).

2. The maintenance-free brake disc wheel-end axle according to claim 1, characterized in that, Both the base (31) and the inlay (32) are made of metal.

3. The maintenance-free brake disc wheel-end axle according to claim 1, characterized in that, The hub brake disc assembly (3) also includes a gear ring (34), which is mounted on the carbon ceramic brake disc (33) via a threaded part (35).

4. The maintenance-free brake disc wheel end axle according to claim 3, characterized in that, The threaded part (35) passes through the carbon ceramic brake disc (33) and is threadedly connected to the bushing (32).

5. The maintenance-free brake disc wheel-end axle according to claim 1, characterized in that, It also includes a backstop shim (5), which is disposed on the axle housing assembly (1) and located on one side of the maintenance-free wheel hub bearing unit assembly (2).

6. The maintenance-free brake disc wheel-end axle according to claim 5, characterized in that, A locking nut (6) is connected to the axle housing assembly (1). The anti-reverse washer (5) is fixed to the axle housing assembly (1) by the locking nut (6) and the edge of the locking nut (6) is flattened after fixing.

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