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ANAND ENGINEERING COLLEGE, KEETHAM AGRA. AFFILIATED TO : GAUTAM BUDDHA TECHNICAL UNIVERSITY, LUCKNOW (Session 2012-2013 ). SUMMETTED BY Aman Gupta (0900140009) Ankur Patel (1000140903) Abhishek Agrawal (0900140003) Aditya Kumar Saha (0900140006)

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slide1

ANAND ENGINEERING COLLEGE, KEETHAM AGRA.

AFFILIATED TO :

GAUTAM BUDDHA TECHNICAL UNIVERSITY,

LUCKNOW

(Session 2012-2013 )

SUMMETTED BY

  • Aman Gupta (0900140009)
  • Ankur Patel (1000140903)
  • AbhishekAgrawal (0900140003)
  • Aditya Kumar Saha (0900140006)
  • Neeraj Kumar Singh (0900140057)
  • Anuj Kumar Yadav (0900140016)

Under the guidance of :

Mr. Rajendra Yadav

Department of Mechanical Engineering

table of content
TABLE OF CONTENT
  • INTRODUCTION
  • LITERATURE REVIEW
  • ABSTRACT
  • PRINCIPLE & WORKING
  • LINE DIAGRAM
  • FLOW CHART
  • COMPONENT
  • ASSEMBLY
  • GEAR
  • ADVANTAGE
  • CONCLUSION
  • REFERENCE
introduction
INTRODUCTION
  • Gates are commonly used now a days at residential area. A gate is a point of entry to a space enclosed by walls, or an opening in a fence.
  • Gates may prevent or control entry or exit.
  • Today many gate doors are opened by an automated gate operator. Those gates come with many special features.
  • The need for automatic gates has been on the increase in recent times.
  • The automatic gate described here automates the entrances to parking lots of residential homes, organizations, and public car parks.
introduction1
INTRODUCTION
  • The gates have to perform gyrations by open, auto reverse, stop, fully close and fully stop.
  • Those gates come with different type of mechanism such as sliding, swing, folding, and barrier gate.
  • Those mechanisms have their own working principle and feature but, automatic sliding gate seem limited at the local market.
sliding gate
SLIDING GATE
  • Slide gate operators are commonly installed at the end of the gate in the closed position but can also be installed by the end of the gate in the open position.
  • Sliding gates are often large, heavy and therefore more hazardous so they can however be equipped with appropriate safety devices making them some of the safest gate systems available.
literature review
LITERATURE REVIEW
  • Initially some concepts were developed and the gate, basically the automatic gates which were developed were of using huger amount of power. The gear motors were used and they were of high power consuming.
  • Some of them using a power of high source and it seemed impossible to operate them without the availability of power. And as we know that the power is not a continuous source and it can be unavailable at any time so it was difficult to run off the automatic gates without the power.
  • Some of the newer models of the gates make use of the sensors and these sensors are even not in profitable and acceptable range of the pockets of each and every user
  • The function of these sensors is to sense the presence of any object and transmit the signal to the receiver present in the sliding gates and due to which the gate is opened and closed accordingly. The sensors performing such type of works are proximity sensors.
literature review1
LITERATURE REVIEW
  • There are many companies which are manufacturing such types of automatic sliding gates that are completely dependent on the continuous power supply. Some of them are Primetech Automation, Technocrats Security System Private Limited, Godrej Security Equipments.
  • But the only drawback of these companies production is that the automatic sliding gates they manufacture are making use of electricity and can’t be run without the availability of power. Besides this these gates are also not affordable by every user.
  • Hence after heading towards these information there arise a need of constructing such a gate which does not make use of any electric power and which is fully automatic.
  • So considering all the above drawbacks, we decided to generate a new concept of manufacturing the automatic sliding gates that does not make any use of electric power and are utterly automatic, known as Automatic Mechanical Sliding Gate
abstract
ABSTRACT
  • A Ramp operated mechanical sliding gate system,embodiments which utilize collapsible Ramps to supply energy to open a gate so that the gate is opened automatically when the collapsible ramp is depressed by an approaching vehicle and is close automatically when the vehicle drive through the gate and the ramp is no longer depressed.
principle working
PRINCIPLE & WORKING
  • The Main principle of this automatic sliding gate is to increase the rpm with the help of reversal gear arrangement for opening the gate.
  • In automatic sliding gate it will open when vehicle comes on the ramp or platform then the vehicle load will push of ramp. Ramp is connected with crankshaft then it will applied the load on crank and it will change linear motion to circular motion and shaft gives motion to the reverse gear. Hinge spring also connect with reverse gear so that reverse gear is increasing the rpm of motion & also it will gives the motion to the output shaft and this output shaft connected by pulley through wire which gives motion to the sliding gate it will easily open and close automatically.
component

COMPONENT

1.Ramp

Ramp is used for sustaining the load of vehicle which is in the form of potential energy.

2. Crank

It is used to convert circular motion into reciprocating motion, or reciprocating motion into circular.

3. Shaft

Shaft is used for power transmit from one place to another. It is made of cast iron & attached through crank.

4. Spring

A spring is an elastic object used to store mechanical energy. Springs are usually made out of spring steel.

component1
COMPONENT

5. Gear

A Gear is a rotating machine part having cut teeth, or cogs, which mesh with another toothed part in order to transmit torque.

6. Pulley

Pulleys are used in a variety of ways to lift loads, apply forces, and to transmit power.

7. Sliding gate

Slide gate operators are commonly installed at the end of the gate in the closed position but can also be installed by the end of the gate in the open position.

assembly
ASSEMBLY
  • Ramp is connected with crank and this crank is also attached with hinge spring.
  • Crank is attached with primary shaft and it is connected with reversal gear arrangement.
  • In this arrangement first gear greater than other & it is connected with spring.
  • The initial gear is connected with reverse gear so that increase the rpm of gear.
  • Reverse gear is connected with secondary shaft & secondary gear is connected with catching and releasing pulley.
  • This pulley is connected with sliding gate with the help of wire.
slide15
GEAR
  • Gears are toothed members which transmit power / motion between two shafts by meshing without any slip.

LAW OF GEARING

  • The fundamental law of gearing states that the angular velocity ratio between the gears of a gear set must remain constant throughout the mesh.
reverse gear1
REVERSE GEAR
  • The idler has teeth which mesh with both gears, and thus it couples these gears together and reverses the direction of rotation without changing the gear ratio slid between them.
  • When reverse is selected a small gear, called an idler gear or reverse idler, is slid between them.
reverse gear2
REVERSE GEAR
  • Whenhelical gears rotate, there is constant contact between gears, which results in quiet operation.
  • Reverse gears are spur gears, meaning that they have straight teeth, in order to allow for the sliding engagement of the idler, which is difficult with helical gears.
spur gear
SPUR GEAR
  • Spur gears are the most common type of gears. They have straight teeth, and are mounted on parallel shafts. Sometimes, many spur gears are used at once to create very large gear reductions.
  • Spur gears are used in many devices like the electric screwdriver, dancing monster, oscillating sprinkler, windup alarm clock, washing machine and clothes dryer. But you won't find many in your car.
crank

A crank is an arm attached at right angles to a rotating shaft by which reciprocating motion is imparted to or received from the shaft.

  • It is used to convert circular motion into reciprocating motion, or sometimes reciprocating motion into circular

CRANK

pulley

A pulley is a wheel on an axle that is designed to support movement of a cable or belt along its circumference.

PULLEY

advantage

ADVANTAGE

It works without electricity.

No use of sensors.

It is more economical.

It require less attention.

It also works at scarcity place where electricity is not present.

More durability.

conclusion
CONCLUSION
  • This project is to study about automatic sliding gate mechanism and to understand the working principle in term of movement. Sliding gate type mechanism which is operated without use of electricity and sensor. It is operated with the help of ramp or utilizing as a power source the ramp structure and fully mechanically operates. Sliding gate finds the best utility in an unleveled area. Giving great service at an angle that steel sliding gatecan work ideally will help we save large amount of money. The other feature of a sliding gate is that it opens twice as quick compared to the other types of gates.so this mechanism easy to utilized & realizable.
reference
REFERENCE
  • 1. R.S KHURMI., J.K GUPTA., “Theory of Machines”, Eurasia Publishing House, S.CHAND, 2009
  • 2. R.S KHURMI., J.K.GUPTA., “Machine Design”, Eurasia Publishing House, S.CHAND, 2007
  • WEBSITE
  • http://en.wikipedia.org/wiki/GEAR
  • http://www.google.com/patents/US4521992
  • umpir.ump.edu.my/1138/2/Chai Fook Siang
  • www.amazinggates.com/Sliding_Gates_s/43.htm
  • http://www.howstuffworks.com/