Vehicle wheel-side integrated hydraulic retarder and friction brake device

A hydraulic retarding and friction braking technology, which is applied in the direction of brake types, brake actuators, gear transmission mechanisms, etc., can solve the problem of high-quality integrated control of friction brakes, retarding braking torque cannot be adjusted independently, and assembly difficulties and other issues, to achieve the effect of compact structure, good heat dissipation effect, and elimination of air loss and energy consumption
CN104235235BActive Publication Date: 2017-02-08JIANGSU UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGSU UNIV OF TECH
Publication Date
2017-02-08

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Abstract

The invention discloses a vehicle hub-type integrated hydraulic retardance and friction brake device, which comprises a hydraulic retarder, a brake caliper body, friction block groups and a brake disc, wherein the hydraulic retarder comprises traction wheels, fixed wheels and a shell; a retardance working chamber is formed in the shell; the shell is arranged on a vehicle rear axle; the fixed wheels and the traction wheels are respectively arranged in the retardance working chamber, and the fixed wheels are fixedly connected with the shell; the traction wheels are movably connected with a vehicle semiaxle used for being connected with vehicle driving wheels; the brake caliper body is fixedly connected with the shell; the brake disc is fixedly connected onto the vehicle semiaxle; the friction block groups are arranged on the brake caliper body, and are matched with the brake disc, so that when a vehicle brakes to enable the brake caliper body to perform action, the friction block groups are pressed to the brake disc by the brake caliper body to generate a friction brake force to hinder the rotation of the driving wheels. According to the vehicle hub-type integrated hydraulic retardance and friction brake device disclosed by the invention, the hydraulic retardance and friction brake function on the driving wheels is realized; the structure is compact, and control is flexible.
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Description

technical field

[0001] The invention relates to a vehicle wheel-side integrated hydraulic retarder and friction braking device, which belongs to the technical field of vehicle braking. Background technique

[0002] At present, when medium- and heavy-duty vehicles brake continuously for a long time, brake with high intensity or brake frequently, the temperature of the brake disc or brake drum will increase significantly, resulting in a decrease in the friction factor, aggravated wear, and partial braking performance. Dangerous thermal recession phenomenon even total loss. Although the application of anti-lock brake system (ABS) and electronic brake force distribution system (EBD) has improved the stability and reliability of vehicle braking, they have little effect on the thermal fading phenomenon of brakes. At present, many countries including my country have clearly stipulated that passenger cars and trucks above a certain specification must be equipped with auxiliary brak...

Claims

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