Bidirectional floating fixing structure for carbon fiber composite material brake disc

A composite material and fixed structure technology, applied in the automotive field, can solve the problems of complex manufacturing process, affecting the use effect and service life of carbon fiber composite brake discs, and large installation space constraints.

Pending Publication Date: 2020-06-19
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the complex manufacturing process of the carbon fiber composite brake disc, to achieve the effect of two-way floating, an additional complex fixed structure needs to be designed to realize the connection between the carbon fiber composite brake disc and the hub. The processing of the structure is difficult and costly. Disc size and brake disc installation space are very constrained
The fixed structure of small-sized carbon fiber composite brake discs is often rigidly connected due to size constraints, which affects the actual use effect and service life of carbon fiber composite brake discs

Method used

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  • Bidirectional floating fixing structure for carbon fiber composite material brake disc
  • Bidirectional floating fixing structure for carbon fiber composite material brake disc
  • Bidirectional floating fixing structure for carbon fiber composite material brake disc

Examples

Experimental program
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Effect test

Embodiment Construction

[0024] refer to figure 1 , figure 2 and image 3 , a two-way floating and fixed structure for a carbon fiber composite brake disc, the structure includes a carbon fiber composite brake disc 1, a metal adapter disc 2, a metal locknut 3, a metal gasket 4, a wave gasket 5, Metal bushing 6 and hinged hole bolt 7.

[0025] The composite material brake disc 1 is connected to the wheel hub through a metal transfer disc 2 ; the composite material brake disc 1 and the metal transfer disc 2 are connected to a metal locknut 3 through hinged hole bolts 7 .

[0026] refer to Figure 4 , this structure is to avoid structural damage caused by the counterbore 9 on the carbon fiber composite brake disc fixing the reaming hole bolt 7 due to excessive shear load during the braking process, when connecting the carbon fiber The metal bushing 6 is assembled on the reaming hole bolt 7 of the composite material brake disc 1 and the metal adapter disc 2 .

[0027] refer to Figure 7 , the carbo...

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Abstract

The invention belongs to the technical field of automobiles and particularly relates to a bidirectional floating fixing structure for a carbon fiber composite brake disc. The structure comprises a carbon fiber composite material brake disc, a metal adapter disc, a metal locknut, a metal gasket, a waveform gasket, a metal bushing and a reamed hole bolt, wherein the composite material brake disc isconnected with a wheel hub through the metal adapter disc, the composite material brake disc and the metal adapter disc are connected with the metal locknut through a reamed hole bolt, metal bushingsare assembled between the composite material brake disc and the metal adapter disc and on the reamed hole bolts, and the waveform gasket and the metal gasket are assembled on the metal adapter disc and the metal locknut along the axial direction. The structure is advantaged in that the structure has the axial and radial bidirectional floating effect, and the stress working condition of the hub inthe braking process is reduced by directly transmitting braking force to spokes through friction torque.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and specifically relates to a bidirectional floating and fixing structure for a carbon fiber composite material brake disc. Background technique [0002] Carbon fiber composite brake discs can not only effectively reduce the quality of the brake disc, but also have the characteristics of high friction coefficient, strong thermal decay resistance and stable braking performance, which can effectively improve the braking performance of the vehicle. It is widely used in racing vehicles such as formula racing cars, high-performance vehicles and high-end passenger cars. Due to the anisotropy of the mechanical properties of carbon fiber composite materials, in order to ensure that the carbon fiber composite brake discs are subjected to large loads and uneven braking forces during braking and exceed the strength limit in the radial direction to cause structural damage to the brake discs, Usually a m...

Claims

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Application Information

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IPC IPC(8): B60T1/06
CPCB60T1/065
Inventor 谢坚王达刘畅王文杰吴家杰董戈池霖刘轶才杨帅孙一
Owner JILIN UNIV
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