k10620-digvijay
- 1. Major Assignment (RAC) Emergency Breaking System in Four Wheeler CAREER POINT UNIVERSITY Major Assignment (IC Engine) Submitted to :- Mr. Amardeep Kumar Assistant professor (M.E Det.) Submitted by :- Digvijay(k-10620) B.tech ( M.E) 3rd Year / 6 th Sem
- 2. Emergency brakes are a secondary braking system installed in motor vehicles. Also known as e-brakes, hand brakes and parking brakes, emergency brakes are not powered by hydraulics and are independent of the service brakes used to slow and stop vehicles. Introduction
- 3. Principle Using only levers and cables, each type of emergency brake is completely mechanical and bypasses the normal brake system. This ensures that a vehicle can be brought to a complete stop if there's a failure of the brake system.
- 4. Working Procedure • The parking brake or emergency brake is engineered to operate the rear brakes by way of a series of steel cables that are connected to either a hand lever or a foot pedal. • The hand lever or foot pedal is typically manufactured with a ratcheting action so that the lever or pedal can be partially engaged and locked in place.
- 6. Uses Tractors, rough terrain cranes, underground mining, winches, cars etc..
- 7. Advantage • Collision avoidance system that would be capable of detecting when a collision is likely to occur and applying emergency braking to avoid it. • The most common use of the emergency brake is as a parking brake. Those who drive manual transmission vehicles, or stick shifts, usually engage the emergency brake every time they exit the car. If not engaged, the car might just roll away all on its own.
- 8. Disadvantage • There’s a catch to the system: • In many vehicles, the emergency brake sees little or no use (case in point, cars and trucks with automatic transmissions). As pointed out, lack of use causes the cables to corrode. This is particularly common on the shielded cables where the actual cable mechanism glides through a tough outer shield. Trapped water, salt and road debris can freeze the works up solid. •Use the emergency brake (setting it as a park brake) regularly.