Modified screw jack for lifting operation in industrial setting. Conventionally a scissor lift or jack is used for lifting a vehicle to change a tire, to gain access to go to the underside. Design and fabrication of motorized automated object lifting jack international organization of scientific research 7 p a g e 1. A scissor jack assembly with doublelead acme threaded screw. This stool folds flat for storage and carrying around. Some scissor lift tables are used as weight platforms to weigh machinery and other mechanisms. Modification of the existing design of a car jack citeseerx. Jme 4110 mechanical car jack open scholarship washington. Karin muraszko, of the university of michigans neurosurgery department. City college of new york school of engineering mechanical engineering department spring2014 mechanical engineering i 6500. These jacks are handy because they are compact when they are in their contracted position.
Their willingness to invite us into their home for interviews in order to provide design feedback and professional knowledge concerning organic farming was much. Mohammed department of mechanical engineering university of mines and technology, tarkwa, ghana. Scissor lift tables can help you in any renovation or remodel. The purpose of this project is to overcome the problems. Most scissor jacks are similar in design, consists of four lifting arms. Use the lift as a deck extension during a major renovation or project. Developmentleducation command quantico, va 224 0603635m ch58 dn308 274 11. How to make your own small scissor lift jack step by step with.
See more ideas about homemade tools, lift table and woodworking. A mechanical jack is a device which lifts weighty or heavy equipment and vehicles so that maintenance can be carried out underneath at workplace or manufacturing setting 2. Designing and calculating the stresses induced in scissors jack. An object lifting jack is an example of a power screw in which a small force applied in a horizontal plane is used to raise or lower a large load. For an efficient scissorjackdamper configuration with and, equation predicts f 4. Below are analyses two other car jacks that are similar to the jack i wish to design. When this crank is turned, the screw turns, and this raises thejack. The operation of a scissor jack starts by using a z shaped crank that is. Franklin equipment carries a full range of aerial work platforms and telehandlers. Conventionally a scissor lift or jack is used for lifting a vehicle to change a tire, to. No tools required, no loose components or separate parts. Discussion all the studies that i have completed in this project are. Bluetooth module is connected to the controller to take the commands from the mobile so that the motor can be rotated to lift the jack.
A scissor jack is the most common type of jack which may have encountered as there jacks comes along with cars. I wish to express my sincere thanks to project guide mr. It acts in a direction perpendicular to the load w. Very common throughout the world, screw jacks are found wherever there is a need to lift, position, align and hold load. Design analysis of scissor jack free download as powerpoint presentation. This mechanism combines a result of several main fields of engineering and at the same time, it is simple and accessible for understanding. Design and analysis of scissor jack full report downloadmechanical project introduction mechanical jack a jack is mechanical device used to lift heavy loads or apply great forces. In this paper, a unique design of scissor jack is compile to lift low as well as heavy.
This project aims at making equipment multifunctional. Thanks to our two project sponsors jack kittredge and julie rawson for their participation in this project. Car jack is a device used to lift up the cars while changing. A scissor lift is a portable, easily extended and compressed, safe operating machine used for hydraulic scissor lifts are very powerful tool for applying a. The operation of a scissor jack starts by using a z shaped crank that is mounted to a small hole on the mechanism. Design and analysis of scissor jack ppt,ask latest information,abstract,report,presentation pdf,doc,ppt,design and analysis of scissor jack ppt technology discussion,design and analysis of scissor jack ppt paper presentation details.
Pdf the paper describes the design as well as analysis of a hydraulic scissor lift having two levels. A more compact model was later made, which is about three feet in length, and can lift 112 tons. There are total six pins are used in the assembly of screw jack, out of that two pins are used to assemble load carrier member with upper lifting arm or. Amongst these alternatives available, scissor jack is widely used for lifting vehicles. Design and fabrication of motorized automated object. Jacks employ a screw thread or hydraulic cylinder to apply very high linear forces. Top channel, bottom channel, base and cap modeled with shell elements and bearing, trunions, base rivet, cap rivet and.
Fits in the larger 26x14x16 envelope, but could possibly wedge into the smaller package diagonally. Car jacks use mechanical advantage to allow us to lift a vehicle by manual force alone. When this crank is turned, the screw turns, and this raises the jack. Design and analysis of scissor jack manoj r patil1 and s d kachave1 corresponding author. Modified screw jack for lifting operation in industrial. In this fabricated model, an electric motor will be integrated with the object lifting jack and the electricity needed for the operation will be taken from the. The construction and load distribution represent statics. Muraszko needs to be brought up to the level of her patients, because she is 48 tall and was born with spina bifida, which hinders her. Kansas city, mo 64153 phone 18168916390 90 days limited warranty for a period of ninety 90 days from date of purchase, sfa companies will. Aug 28, 2014 mechanical design scissor lift project eric scott.
Design and analysis of hydraulic scissor lift by fea sabde abhijit manoharrao1. The end fits into a ring hole mounted on the end of the screw, which is the object of force on the scissor jack. Design and standardization of scissor jack to avoid field failure. A mechanical jack employs a screw thread for lifting heavy equipment. A mechanical jack is a device which lifts heavy equipment. Looking for downloadable 3d printing models, designs, and cad files. A scissor jack is operated simply by turning a small crank that is inserted into one end of the scissor jack. Modification of the existing design of a car jack a. Design and fabrication of automated scissor jack ijert. This project is focused on designing and finding various stresses and expected a life of various parts of scissor jack like power screw, base plate, etc using different modeling and analytical software. The design is fundamentally a modification of the conventional scissor jack. It is also found that weight of the present lift is. Pdf design and fabrication of hydraulic scissor lift. Design and fabrication of motorized automated object lifting jack.
In this project an attempt has been made to design and fabricate a power scissor jack to lift and support a load of 4. Hydraulic scissor lift design engineering cad project with calculations hydraulic table lifter cad design diy hydraulic lift. Through use of urethane or similar material as a braking means, the jack assembly is operable with a self locking action over a wider range of loads and especially at lower loads where an acme loading phenomenon that results in said self locking action has previously been unattainable. Design modification and failure analysis of scissor jack. There are total six pins are used in the assembly of screw jack, out of that two pins are used to assemble load carrier member with upper lifting arm or links, two pins are used to. We also keen at reducing the weight of scissor jack at.
It is called a scissor jack because it consists of diagonal metal pieces that expand or contract in a manner resembling a pair of scissors. The concept of a scissors lift with hydraulic power comes from pascals law applied in car jacks and hydraulic rams which states that pressure exerted anywhere in a conformed incompressible fluid is transmitted equally in all directions throughout the fluid such that the pressure ratio remains the samehydraulicsonline 20. In major cities, you will often see scissor lift tables used as platforms for maintenance and construction. The power screw mechanism included in a scissor jack is design to lower the amount of force needed to lift the heavy loads.
Design and standardization of scissor jack to avoid field. Nikam4 1,2,3 department of mechanical engineering, savitribai phule pune university, amrutvahini college of. The goal of project 9 is to design and build a lift for surgeons in the operating room. Design and analysis of hydraulic scissor lift by fea sabde abhijit manoharrao1, prof. Our partners will collect data and use cookies for ad personalization and measurement. A scissor jack is a mechanical device used to lift a heavy vehicle from the ground. It is commonly used to lift heavy load to a height. Find the top 100 most popular items in amazon automotive best sellers. Automatic scissor jack using car battery jithendra kumar repalle. The end fits into a ring hole mounted on the end of the screw, which is the objectof force on the scissor jack. Quick suggestion maybe you should add a simple dialog box to ask the user if heshe would like the pages stackedif over 20 pages. Design and fabrication of motorized screw jack for a four wheeler a project report submitted in partial fulfillment for the award of the degree of bachelor of.
The main target of project is to improve version of a mini pneumatic jack. Seismic performance of an efficient scissorjackdamper. The dimensions of it can be increased or decreased to make this a stool, table, foot rest, etc. A scissor jack is a mechanical device used to easily lift a vehicle off the ground to gain access to sections underneath the vehicles or to change the wheel.
Pdf design and standardization of scissor jack to avoid. Design of hydraulic scissors lifting platform, 41 pages saimaa university of applied sciences faculty of technology lappeenranta. In this work we have designed different components of scissors jack using cae tools i. This project aims to increase the functionality of the scissor jack while maintaining a modest cost by designing and modeling a screw jack with a ratcheting crank that will allow the user to rotate the screw from a more comfortable position with a less awkward motion, and also to enhance safety by increasing the size of the base and adding. Although mini jack are also produced, they are not a recognized standard type of floor jack. The original jack is about four feet long, a foot wide, and weights around 200 poundsthey can lift 410 tons. Car jacks usually use mechanical advantage to allow human being to lift a vehicle. Pdf development of auto car jack using internal car power. Pdf texas co residential cargo lifts make elevated living easier. Modified screw jack for iifting operation in fndustrial setting benjamin bzurike1a. Discover the best scissor lift jacks in best sellers.
They represent the two primary models of scissor jacks available. Examples of mechanical jacks a floor jack b scissor jack. A significant amount of work will be done by the actuator in lifting the mass of the scissor lift itself to any given height hence, this work must be accounted for. All machines feature common relay based control systems with color coded and numbered wiring. A scissor jack is a type of device that helps to gradually raise a vehicle off of the ground. Design and fabrication of power scissor jack a project report submitted in partial fulfillment of the requirements for the award of the degree of bachelor of technology mechanical engineering submitted to kl university by s. Pdf a scissor jack is a mechanical device used to easily lift a. The different alternatives available are like scissor jack, hydraulic jack, pneumatic jack, floor jack, etc. Pdf design and standardization of scissor jack to avoid field.
Design and analysis of hydraulic scissor lift by fea. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The cad software package used for this project is solid works 2015, which allows rapid and accurate modeling, calculation of mass properties, location of center. Design and animation of scissor lifitng table mechanical project. The hydraulic lift was chosen as a subject of the thesis because it is a perfect example of mechanical engineering field. Excellent program i did an approximately page200mb document in a matter of seconds once the program loaded it. Their high reliability and synchronization makes screw jacks suitable for a wide variety of uses that alternative methods of handling cannot achieve. Conventionally a scissor lift or jack is used for lifting a vehicle to change a tire, to gain access to go to the underside of the vehicle, to lift the body to appreciable height, and. Our two vertical mast lifts compliment an established lineup of electric onslab scissor lifts and rough terrain scissors lifts.