Mechanical Engineering Projects – Sprocket side-stand retrieve System

September 6th, 2014 by JJ | 27 Comments | Filed in 1000 Projects, AUTOMOBILE ENGINEERING, MECHANICAL ENGINEERING PROJECTS

Introduction to Mechanical Engineering Projects

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Mechanical Engineering Project Abstracts

This is a Mechanical engineering Projects under Design and fabrication. The total estimated cost of this Mechanical Engineering project is about rs.1500/-. In modern developing world, automobile plays important role especially two-wheeler i.e (motorcycles& bikes) plays a major role. Even though they are helpful there are some sad events like accidents due to careless of rider. Major accidents occur due to forgetting of lifting side stand. To rectify this problem many advance measure have taken, but they are useless. so as a  by considering that it should be implemented practically in all types bikes .the new system “SPROCKET SIDE-STAND RETRIEVE SYSTEM” is designed based on  the working principle of bikes. Since all bike transmit power from engine to rear wheel by means of chain drive. Since designed setup is kept in between chain drive, setup rotates and side stand get retrieves automatically.

Mechanical Engineering Projects for final years

Mechanical engineering Projects the fabricated sysem-bikes side stand

MECHANICAL ENGINEERING PROJECTS

In existing mechanical Engineering projects many ideas had been found to lift the side-stand automatically.

  1. One small flat rod is kept attached and pivoted between the gear actuator lever and the side stand of the bike. when the gear is actuated the side stand get lifted automatically.
  2. Small stepper motor is connected  between the side stand and the engine ,when engine is started the stepper motor gains the source of power and retrieve side stand  automatically

These are some methods to retrieve side stand automatically when the vehicle moves but it is not implemented  in practical use due to its drawback.

 DRAWBACK OF EXISTING METHODS

  1. ECU methods are implemented only in costlier bikes but it does not implemented in normal domestic bikes due to their cost.
  2. When we come across those mechanical engineering projects we could note some drawbacks like wear out of gears, making injuries in legs while actuating gears. Major drawback is it cannot use in all type of two-wheelers. So, in order to solve this we thought and designed “SPROCKET-SIDE STAND RETRIEVE SYSTEM” this system can be attached in all type of two-wheelers (mopeds, geared, non-geared, hand geared bikes).

PROPOSED METHOD

Based on the working principle of two-wheeler ( i.e the power is generated in the engine and it transmits  power to the pinion and makes it to rotate. The pinion transmits power to the rear wheel pinion and makes the vehicle to move). This is the basic principle followed in all type of two-wheelers, based on this “sprocket-side stand retrieve system” is designed because this system works by getting power from chain drive. This sprocket system consists of four components, which is assembled as two set up which would be explained briefly in construction and working part of this paper.

WORKING PRINCIPLE

In Sprocket side stand retrieve system, the mechanical engineering projects, retrieves the side stand automatically if the rider forgets to lift the side stand while moving the bike. It works based on the working principle of the two-wheelers .every bikes transmit power from engine’s pinion to the rear wheel i.e. rotary motion of the pinion makes the linear motion of the chain. that linear motion of the chain is absorbed by rear wheel’s sprocket and converted into rotary motion. That rotary motion of the rear wheel makes the bikes to move. Based on this Sprocket side stand retrieve system is designed.

If Sprocket is kept between the chain drive, it make the sprocket to rotate so, using the sprocket as the major component this system works. It gains the power from the chain and make specially designed component (lifting lever) to rotate. This rotation incites engaged pushing lever to push the side stand to retrieve. When chain rotates anti-clockwise direction the inciter assemblies sprocket absorbs the power and rotates in clockwise direction.The working of “Sprocket-Side Stand Retrieve System is explained below in both (resting & riding condition of two-wheeler)

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Mechanical Projects -Vertical Lift Mechanism the Kattwyk Bridge

May 1st, 2012 by admin | 17 Comments | Filed in 1000 Projects, CIVIL PROJECTS, MECHANICAL ENGINEERING PROJECTS

Mechanical Projects Abstracts

 This Mechanical projects presentation is  a model and a  simplified version of  Kattwyk  Bridge and has   been  made  under the constraints of space, time and resources  available  in  the  lab.The  Bridge mechanism has been divided  in three sections.The central  section  lifts  above,while the two side parts remain intact with the supporting   angles. The lift mechanism used for the bridge is based on the  pulley  system  involving three pulleys. A string  is passed through the two pulleys on either  side of  middle section and the pulley at  the center synchronizes the   motion  of  two pulleys  and makes  the motion centralized.

Mechanical Engineering Projects
Mechanical projects on The Kattwyk Bridge demo

The  angles are used  to restrict  the  motion  of central  section  allowing  only  the   motion  in  vertical  direction  to occur  and provide the stability  to the   bridge   structure.  A chain  is  also  used  to   stop   the   central  section  at  any   desired  height depending  on  the height of ship assuming a real  case   situation  thus saving  the  power. The mechanism  used  to  lift  the central section  is  due  to  the constraint of not using any electric motor or gears. In real case  situation, the  power can be  given  by  electric motors and cables  can  be  used.  The   four  bridge  supporting  angles  that connect  the  three sections of  the  bridge will  actually  go  till  the  bottom  surface of  the   river.

Motivation behind the Mechanical Projects

 The motivation behind this Mechanical projects Presentation Topics is the KATTWYK BRIDGE, HAMSBERG,  GERMANY.   The bridge was built in 1972.  The bridge has a unique  feature  that  it based on the “Vertical Lif t Mechanism”,  its middle (movable)part lifts to give way to the ship passing  by thus  maintaining  waterways transport. Till  now  no bridge such has been built  in India.

Estimated Cost for the Mechanical Projects

  • Labor   charges:   Unskilled:  Rs.800  Skilled: Rs.40
  • Overall cost  of  the  Mechanical projects :  Rs.1484
  • Overhead  cost: Rs 135
  • Total  cost  of   materials  used: Rs. 433
  • Electricity  charges:  Rs. 76  (for  1  Hr.)

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PEDAL OPERATED WASH BASIN

May 1st, 2012 by JJ | 31 Comments | Filed in MECHANICAL ENGINEERING PROJECTS

ABSTRACT

The project is used to operate the water pipe for hand washing purpose through the easy operation of pressing the pedal. The pedal is easily operate able in any persons even children also use this. This equipment  is automatic so this project is very useful for using on hotels, restaurents, public areas and home uses.

 METHODOLOGY

This project consists the following parts

  •  Water tank
  •  Solenoid valve
  •  Water pipe
  •  Wash tray
  •  Pedal
  •  Limit switch
  •  Control unit

 WORKING PRINCIPLE

The water tank is fixed on the top of this equipment which is used to store the water, the solenoid valve fixed below the water tank and it have two ports one is connected to the main pipe another one is connected to the water outlet pipe. The center of the equipment contains the wash tray arrangement for collecting the used water (waste water) the wash tray arrangement’s backside have a pipe for exit the used water to out. The bottom of the equipment have pedal and spring arrangement and also have a limit switch on the bottom of the pedal. When the pedal is pressed the pedal’s bottom part press the limit switch then the limit switch is provide the instruction to the control unit and the control unit operates the solenoid valve then the water comes out for hand washing whenever we need water just press the pedal to get the water from this equipment. This equipment is an easily operated so anyone can operate this equipment so this is applicable for hotels, restaurants and homes.

ADVANTAGES

  • Reduces the water wastage
  • Easy to handle
  • Low maintenance
  • Highly reliable
  • Low cost

DIS ADVANTAGES

  •  Water is filled on the tank is manual

APPLICATIONS

  • Used in hotels
  • Used in restaurants
  • Used in homes, etc,..

Pedal operated wash basin

An Automation of Fatigue Durability Analysis for Welded Bogie Frame Using System Integration Techniques-Mechanical Engineering Projects

February 10th, 2012 by admin | 3 Comments | Filed in AUTOMOBILE ENGINEERING, Design and Analysis Projects

ABSTRACT

A web based automation of fatigue durability analysis for a welded bogie frame of railway vehicle is realized with several kinds of system integration techniques. The macro program of I-DEAS, the APDL of ANSYS, and an in-house fatigue code are utilized for the parametric geometry modeling and automatic generation of finite element models, the static stress analysis, the fatigue durability analysis, respectively. A multi-agent based engineering framework is implemented on the JADE to integrate the overall process. All engineering programs are integrated by a XML based wrapper. A database to contain engineering data and web based user interfaces are also developed. A parametric study is carried out to take into account the effect of geometrical change of transom support brackets on its fatigue durability. Developed automation techniques reduce remarkably the time and costs required in the fatigue durability analysis.

INTRODUCTION

A bogie frame of railway vehicles plays an important role in sustaining the static load from the dead weight of a car body. Quasi-static loads occur periodically during curving and braking operations, and cyclic dynamic loads are caused by an irregular rail surface and relative movement of the attached equipment. Since the majority of the bogie frame is a welded structure which is very susceptible to the fatigue failure under such loads, a fatigue durability analysis to ensure the sufficient fatigue strength of its weldments is a relevant issue.

In practice, meanwhile, frequent geometric changes are required in early stages of the design process and the sharing of design parameters should be performed between sub tasks and in the overall process for the fatigue durability analysis. In spite of these necessities, these kinds of works can not be performed due to the lack of automation techniques for the required analysis.

In this paper, an automation of fatigue durability analysis for the weld bogie frame of railway vehicles is realized. The weld bogie frame is developed by the Korean Rotem Company, as shown in Fig.1

Welded bogie frame of railway vehicles

 

Key-Words: – Fatigue durability analysis, Welded bogie frame, Automation, System integration, Multi-agent, Wrapper, Hot-spot stress,

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