INNOVATION IN HORNLESS BRAKE DISCS AND WHEEL HUBS USED IN THE REAR AND AUXILIARY AXLES OF HEAVY COMMERCIAL VEHICLES.

Abstract

The invention relates to an innovation in the design of the wheel hub and neckless brake disc assembly (A) used in the rear and auxiliary axles of heavy commercial vehicles, which facilitates assembly, reduces thermo-mechanical stresses and improves vehicle performance.

Description

1 TARIFF 5 USED ​​IN THE REAR AND ADDITIONAL AXLES OF HEAVY COMMERCIAL VEHICLES INNOVATION IN NECKLESS BRAKE DISCS AND WHEEL HUBS Technical Area 10 The invention relates to wheel hubs used in the rear and auxiliary axles of heavy commercial vehicles. Made in the structure of the neckless brake disc assembly (A) and easy to assemble. with an innovation that provides, reduces thermo-mechanical stresses and improves vehicle performance It is related. State of the Art 15 Today, the connection between the brake disc and the wheel hub is between a necked brake disc and this disc. It is based on securing the compatible hub with bolts. In current technology, it is necked. Because brake discs are used, the total weight of the disc-hub combination is high, and it is non-sprung. This also causes the vehicle mass to be high. The unsprung mass While its high level negatively affects the driving comfort of the vehicle, it also emits harmful gases of 20. This leads to high emissions and fuel consumption. In the current brake disc geometry, the neck region is responsible for carrying the braking torque. Its material (lamellar graphite cast iron) is brake pad pressure and its function is heat transfer. It is the same as the ventilation duct area. Therefore, structurally, it is on the brake disc. The weakest point is the neck area, and the vast majority of user complaints are related to 25%. This results in damaged brake discs in the neck area. As a result of research conducted on this subject, the following codes were found: US2009260933, US5507367 and in designs compatible only with front axles, as described in patents numbered DE10133985, Numerous auxiliary mounting options are available to ensure neckless brake disc-hub connection. The element was used. Therefore, production and service costs are significantly 30%. is increasing. As a result of research conducted on this subject, the following documents were found: TR2018 / 20819 and In designs compatible only with front axles, as specified in patents numbered TR2020 / 11005, The neckless brake disc is mounted force-closed using hub mounting bolts. Because it can be done this way, the need for additional parts has been eliminated. Thanks to this, it offers a weight advantage of 35. As a result, the production, assembly, and service costs of the product are reduced. 2 In conclusion, due to the negative aspects described above and the current solutions, topic 5 Due to its shortcomings, an improvement is needed in the relevant technical field. It has been made. Purpose of the Invention The main purpose of the invention is to create wheels for use on the rear and auxiliary axles of heavy commercial vehicles. Assembly with innovations made in the structure of the hub and neckless brake disc assembly (A) 10 to facilitate ease of use, reduce thermo-mechanical stresses and improve vehicle performance to increase. Another aim of the invention is to provide weight and cost advantages. Another objective of the invention is to improve the structural and thermal properties of necked brake discs and wheel hub assemblies. The aim is to make it more resistant to loads and longer-lasting. 15 The structural and characteristic features and all the advantages of the invention are given in the figures below. This becomes clearer thanks to the detailed explanation written with references to these figures. This will be understood, and therefore the evaluation should also take these forms and detailed explanations into consideration. It needs to be done by taking precautions. Figures to Help Understand the Invention 20 Figure 1 shows a perspective view of the wheel hub and brake disc assembly that is the subject of this invention. Figure 2 shows the exploded wheel hub and brake disc assembly, which is the subject of the invention. It is the appearance. Figure 3 shows a cross-sectional view of the wheel hub and brake disc assembly that is the subject of this invention. Figure 4 shows a perspective view of the neckless brake disc, which is the subject of the invention. 25 Figure 5 shows a cross-sectional view of the neckless brake disc, which is the subject of this invention. Figure 6 shows a perspective view of the wheel hub that is the subject of the invention. Figure 7 shows a cross-sectional view of the wheel hub that is the subject of this invention. Figure 8 is a perspective view of the ABS ring, which is the subject of the invention. Figure 9 is an exploded view of the previous technical assembly. 30 Explanation of Part References A. Wheel hub and neckless brake disc assembly 1. Wheel hub 1.1 Disc mounting diameter 3 1.2 Disc mounting surface 5 1.3 Connection flange 2. Neckless brake disc 2.1 Hub mounting diameter 2.2 Hub mounting surface 2.3 Brake disc mounting pads 10 2.4 Brake disc ring mounting holes 3. Disc mounting bolts 4. Distance segment 5. Abs ring 5.1 ABS ring mounting holes 15 5.2 ABS ring mounting lugs 6. ABS ring connecting bolt Detailed Description of the Invention This detailed description explains that the invention applies to the rear and auxiliary axles of heavy commercial vehicles. The preferred configurations of the wheel hub and neckless brake disc assembly (A) used are 20 This explanation is provided solely to facilitate a better understanding of the subject. The purpose of the invention is to fulfill the purposes described in the section; wheel hub and Installation of neckless brake disc assembly (A) on the rear and auxiliary axles of heavy commercial vehicles The ABS ring (5) provides the following features:  The distance between the ABS ring connection holes (5.1) on the ABS ring (5) is 25 by emptying it into the mounting space at the wheel end of the ABS ring (5) ABS ring connecting lugs (5.2) that allow it to be fitted,  brake disc mounting pads (2.3) and ABS ring mounting lugs (5.2) Brake with reduced thermo-mechanical stresses thanks to its flexible structure disc mounting holes (2.4), 30  ABS ring mounting holes that are spaced out to facilitate assembly (5.1), It contains. As shown in Figure 2, the wheel hub and neckless brake disc assembly (A) are attached to the wheel. hub (1), neckless brake disc (2), disc mounting bolts (3), spacer piece (4), ABS 35 It consists of the ring (5) and the ABS ring connecting bolts (6). 4 Assembly of the invention: Spacer piece (4) concentric with the wheel hub (1) 5 It is located concentric with the aforementioned distance segment (4). The neckless brake disc (2) is located and the neckless brake disc (2) mentioned above disc mounting bolts positioned concentrically with the bolt mounting holes With (3), the assembly of the wheel hub and neckless brake disc assembly (A) is completed. The brake disc mounting islands (2.3) located on the aforementioned neckless brake disc (2) 10 ABS ring mounting lugs (5.2) are placed on the ABS ring (5). and brake disc ring mounting holes (2.4) ABS ring mounting holes (5.1) concentric It is positioned in such a way that it is mounted with ABS ring connecting bolts (6). Spacer piece (4) and disc connection bolts (3) used during assembly; ABS ring (5) and the concentric arrangement of the ABS ring connecting bolts (6), assembly 15 This makes the process easier and more error-free. To fit the abs ring (5) into the mounting space at the wheel end, the abs ring (5) By leaving gaps between the ABS ring connection holes (5.1) on it, the ABS ring connection ears (5.2) are formed. During the thermal expansion of the neckless brake disc (2), neckless brake disc (2) brake disc mounting islands (2.3) and ABS ring 20 Thanks to the flexible structure of the connecting lugs (5.2), the brake on the neckless brake disc (2) Thermo-mechanical stresses are reduced in the disc connection holes (2.4). Neckless brake disc (2) axis of rotation and wheel hub (1) bearing axis are aligned disc mounting diameter (1.1) machined on the wheel hub (1) for its centrality and The machined disc mounting surface (1.2) is located. In contrast, the neckless brake disc (2) 25 It has a hub mounting diameter (2.1) and a hub mounting surface (2.2). Wheel The disc mounting surface (1.2) on the hub (1) reduces heat transfer and part weight. It was created as an islet-like structure for this purpose. In the previous technique shown in Figure 9, the brake the neck region of the disc to the connecting flange in the island structure on the wheel hub (1.3) wheel hub 30 which has high torque carrying function and mechanical strength. It has been transferred to the material (spheroidal graphite cast iron). As can be seen in Figure 9, the weight of the brake disc in the previous technique is reduced with the neckless brake. The weight of the wheel hub (1) is reduced by 19% with the use of the disc (2). It is increased by 7%. Neckless brake disc (2) and wheel per wheel end. The hub (1) weight has been reduced by 6%, resulting in a weight advantage of 35 on the axle. It has been obtained.

Claims

REQUIREMENTS 5 1. Wheel hub and neckless brake disc assembly (A) of heavy commercial vehicles rear and It has an ABS ring (5) which enables mounting on the additional axles, and its feature is;  The spacing between the ABS ring connection holes (5.1) on the ABS ring (5) by emptying it into the mounting space at the wheel end of the ABS ring (5) ABS ring connecting lugs (5.2) that allow it to be fitted, 10  brake disc mounting pads (2.3) and ABS ring mounting lugs (5.2) Brake with reduced thermo-mechanical stresses thanks to its flexible structure disc ring connection holes (2.4),  ABS ring mounting holes that are spaced out to facilitate assembly (5.1), 15 It includes.

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