High-energy friction brake

A friction brake, high-energy technology, applied in the field of vehicle engineering, can solve the problem of no drum brake braking effect and other problems, and achieve the effects of improving performance stability, simple structure and good reliability

Inactive Publication Date: 2016-06-29
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
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AI Technical Summary

Problems solved by technology

At present, the friction brakes used in automobiles can be divided into two categories: drum type and disc type. Today, more and more automobile friction brakes are gradually adopting disc brakes. Compared with traditional drum brakes, disc brakes have a series of features. Advantages, but it does not have the brake boosting effect of drum brakes, which makes disc brakes require greater hydraulic pressure to make up for this disadvantage, thus placing higher demands on the hydraulic system of the brake system

Method used

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Embodiment Construction

[0024] combined with Figure 1-11 , to further describe the present invention.

[0025] The invention provides a high-energy friction brake using a disc brake structure and a drum brake structure in parallel, comprising a disc brake master cylinder 1, a disc brake active push rod 2, a disc brake active push rod cylinder Pin 3, upper connecting rod 4, upper connecting rod retaining bolt 5, lower connecting rod 6, active arm cylindrical pin 7, active arm connecting bolt 8, active arm 9, active arm retaining bolt 10, brake caliper 11, slave Boom connecting bolt 12, driven arm 13, disc brake return spring 14, brake disc 15, driven arm locking bolt 16, brake bottom plate 17, drum brake master cylinder 18, drum brake Roller 19, drum brake cam 20, brake shoe 21, drum brake friction plate 22, drum brake longitudinal return spring 23, drum brake lateral return spring 24, brake shoe support pin cover 25, slave arm connecting nut 26, active arm connecting nut 27 form.

[0026] The afo...

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Abstract

The invention relates to a high-energy friction brake which mainly comprises a disc brake assembly and a drum brake assembly. The high-energy friction brake is characterized in that during brake, a vehicle-mounted PLC (Programmable Logical Controller) and an upper computer respectively acquire a drum brake input torque and a disc brake input torque according to a wheel signal transmitted by a wheel speed sensor and an optimal control curve, commands are transmitted to a drum brake and a disc brake of a lower computer, the drum brake and the disc brake in the lower computer respectively perform braking, a drum brake main cylinder transfers action onto a brake shoe by virtue of a drum brake cam and a drum brake rolling wheel, and a disc brake main cylinder transfers action to a brake caliper by virtue of a force-amplifier and a four-bar mechanism, so that brake is finally realized; after brake is released, the brake caliper and the brake shoe are reset under the actions of respective return springs. The high-energy friction brake is simple in structure and good in reliability; the disc brake structure has brake enhancement influence property and good overall brake effect.

Description

technical field [0001] The invention relates to a high-energy friction brake, which is a high-energy friction brake that can provide braking torque boost by itself, and is suitable for the technical field of vehicle engineering. Background technique [0002] With the high speed of modern vehicles and the development requirements of major machinery, the new high-energy friction brake has become one of the key technologies. The important features of the new high-energy brake are the force transmission mechanism, the formation and destruction of the surface layer, and the control strategy. The energy dissipation and temperature field in the process are also quite different from those of conventional braking. At the same time, the distribution of the temperature field in the braking process of the brake is of great significance to its braking performance and stability. Ordinary drum brakes conduct heat on one side, the temperature field is unevenly distributed during braking, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D63/00F16D51/24F16D55/22F16D65/40F16D121/02
CPCF16D51/24F16D55/22F16D63/004F16D65/40F16D2121/02
Inventor 石永军裴正富喻高远孙瑞李小飞
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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