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UPSRTC Workshop,Lucknow
The document provides details about the Uttar Pradesh State Road Transport Corporation (UPSRTC) and its operations, highlighting its history since 1947, the number of buses, and daily earnings. It also discusses the engine section focused on diesel engines, including descriptions of key components such as the cylinder block, piston, and turbocharger. The principles of diesel engine operation and its various parts are explained comprehensively.
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UPSRTC Workshop,Lucknow
- 1. UTTAR PRADESH STATEROAD TRANSPORT CORPORATION(UPSRTC),LUCKNOW BY-SUDHIR YADAV 1212240219 SRMCEM TOPIC-ENGINE SECTION
- 2. INTRODUCTION • Passenger roadtransport services in U.P. started on 15th May, 1947 • First route is from LUCKNOW – BARABANKI • There are around 7668 buses are running • Operate over 2.5 million kilometers • Over 1.3 million peoples travelling everyday • Earning of UPSRTC over Rs.38.3 million everyday
- 3. OBJECTIVES • Heavy maintenanceand repair of vehicles • Reconditioning of major assemblies • Renovation of buses • Construction of bodies on new chassis • Tyre retreading
- 4. WORKSHOP • Central workshopsin Kanpur 1. Central Workshop, Rawatpur 2. Dr. Ram Manohar Lohia Workshop, Allen Forest • Car Section is established in Lucknow.
- 6. ENGINE SECTION • Studyabout diesel engine • Components of diesel engine • Working of diesel engine
- 7. DIESEL ENGINE • Theengine was developed by German inventor Rudolf Diesel in 1893. • The engine works on the principle of diesel cycle • A diesel engine is an internal combustion engine. • It uses the heat of compression to initiate ignition to burn the fuel that has been injected into the combustion chamber.
- 8. SOME COMPONENTS OFDIESEL ENGINE • Cylinder Block • Gasket • Manifold: inlet and outlet • Turbocharger • Flywheel • Piston • Piston Rings • Connecting Rod • Crankshaft • Camshaft • Fuel injector • Valves
- 9. CYLINDER BLOCK • Itis the basic structure of an engine. • Normally made of ALUMINUM ALLOYS or CAST IRON. • Provides Strength with relatively simple design. • Supports and aligns internal parts.
- 10. GASKETS • It serveas a sealant between engine block and head where they bolted together.
- 11. INLET MANIFOLD • Pipingsystem which delivers incoming air to the cylinder. • They made up of cast metal, plastic or composite materials. • In SI engine fuel added to the air in intake manifold
- 12. OUTLET MANIFOLD • Pipingsystem which carry exhaust gases away from the system. • Made up of CAST IRON.
- 13. TURBO CHARGER • Turbinecompressor used to compress incoming air into the engine. • The turbine is powered by the exhaust flow of the engine so it take very little useful work from engine.
- 14. FLYWHEEL • To storethe energy , provide energy when it is needed and store. • firmly bolted to the hub of the crankshaft
- 15. PISTON • A cylindrical-shapedmass that reciprocate back and forth in the cylinder transmitting force to the crankshaft. • The top of the piston is called CROWN and the sides are called SKIRT. • PISTON is made up of cast iron, steel or aluminum.
- 16. PISTON RINGS • Metalring that fixed into a circumferential grooves around the piston. • Made up of highly polished chromed steel • It make a seal between piston and cylinder walls. • It also used for lubrication purpose.
- 17. CONNECTING ROD • Rodconnecting the piston with rotating crankshaft. • Provided the contact from piston to the crankshaft. • Usually made of STEEL or ALLOY FORGED but in small engine it can be made of ALUMINUM.
- 18. CRANKSHAFT • Rotating shaftthrough which engine’s work output supply to the system. • Mostly they made of forged steel or cast iron. • It is attached with the engine block by MAIN BEARING. • Having crank weights attached with crankshaft
- 19. CAMSHAFT • Rotating shaftused to push the valves at proper timing in engine cycle. • Can be control Hydraulically or Mechanically. • Modern engine have more than two cams
- 20. FUEL INJECTOR • Apressurized nozzle which spray the fuel into the incoming air on SI engine. • Injector directly spray at the combustion chamber. • It is placed at the Centre of the combustion chamber.
- 21. VALVES • Used toallow the flow into and out of the cylinder at proper time in the cycle . • VALVES are made of forged steel. • Two stroke engine do not have valves they have ports system (slot).
- 22. WORKING OF DIESELENGINE