JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Course objective: To impart the necessity, requirements and construction of different special type of vehicles and their features also about chassis and frames and other automobile components like bakes, safety systems.

Course outcome: The students completing the course will be able to understand various automobile components and their construction details. And preventive and remedial measures can be attended by the student with enough knowledge.

UNIT - I

EARTH MOVING AND CONSTRUCTIONAL EQUIPMENTS: Construction layout, capacity and applications of earthmovers for dumpers, front-end loaders, bulldozers, excavators, backhoe loaders, scrappers, and motor graders etc. criteria for selection of prime mover fro dumpers and front end loaders based on vehicle performance characteristics.

UNIT - II

POWER TRAIN CONCEPTS: Engine- converter match curves. Epicyclic type transmissions. Selection criteria for universal joints. Constructional details of steerable and drive axles of dumper.

UNIT - III

VECHILE SYSTEMS, FEATURES: Brake System and actuation- OCDB and dry disc caliper brakes. Body hoist and bucket operational hydraulics. Hydro-pneumatic suspension cylinders. Power steering system. Kinematics for loader and bulldozer operational linkages. Safety features, safe warning system for dumper. Design aspects on dumper body, loader bucket, and water tank of sprinkler.

UNIT - IV

SPECIAL PURPOSE VECHILES FOR INDUSTRIAL APPLICATIONS: Constructional features, capacity, and stability of jib cranes. Vibratory compactors.

UNIT - V

FARM EQUIPMENTS, MILITARY AND COMBAT VECHILES: Ride and stability characteristics, power take off, special implementations. Special features and constructional details of tankers, gun carriers and transport vehicles.

UNIT - VI

SAFETY EQUIPMENT: Safety regulations, air bags, automatic seat belt tightened system,Anti locking braking system(ABS), Speed limiting device(SLD),Fire detection and

R16 B.TECH AUTOMOBILE ENGG.

suppression system(FDSS), automatic traction control, automatic vehicle stability control, Collapsible steering system

REFERENCES

• 1. Pipenger, Industrial Hydraulics, McGraw Hill, Tokyo, 1979.
• 2. A. Astakhov, Truck cranes, MIR Publishers, Moscow, 1971.
• 3. Bart H Vandereen, Tanks and Transport Vehicles, Fredric Warne and co. Ltd., London, 1974.
• 4. K. Abrosimov, A.Bromberg and F. Katayer, Road making machineries, MIR publisher, Moscow, 1975.
• 5. SAE handbook-Vol III, 1995. R16 B.TECH AUTOMOBILE ENGG.