Design analysis of scissor jack free download as powerpoint presentation. This video shows lead screw driven scissor lifting table which is manually operated. Although mini jack are also produced, they are not a recognized standard type of floor jack. Design and fabrication of automated scissor jack written by mr. The scissor lift will have pivot points and a mounting bracket with the dump bed positioned on top of it. Automotive free delivery possible on eligible purchases. Download scissor lift design plans for kg 2d pdf and dwg drawings with 3d cad models. A mechanical jack is a device which lifts heavy equipment. In this paper, a unique design of scissor jack is compile to lift low. More powerful jacks use hydraulic power to provide more lift over greater distances. Reliancer electric car floor jack 3 ton allinone automatic 12v scissor lift jack set for sedans suv wdouble saddles remote tire change.
The original jack is about four feet long, a foot wide, and weights around 200 poundsthey can lift 410 tons. Karin muraszko, of the university of michigans neurosurgery. The most common form is a car jack, floor jack or garage jack which lifts vehicles so that maintenance can be performed. Car jacks use mechanical advantage to allow us to lift a vehicle by manual force. The coefficient of friction at the screw threads is 0. Feb 15, 2014 step by step procedure on how to model a scissor lift mechanism assembly in design modeler and do a rigid dynamic analysis in ansys workbench. Speed of travel gear ratio l low speed worm gear screw jacks with trapezoidal screw produce an advance of 0. Selfpropelled scissors genie lift scissor lift, boom. Worm gear screw jacks with ball screws achieve between 1071 mm per min and 2124 mm per min, depending on size and lead. The scissor lift will be incorporated onto a frame and be mounted below the dump bed. Design and standardization of scissor jack to avoid field failure. They are an economical choice for relatively longstroke jacks.
Design modification and failure analysis of scissor jack ijernd. Maximum load on scissor lifts should not exceed 3,500 pounds per side. Dec 9, 2016 simulative calculation and optimal design of scissor lift mechanism. Nikam4 1,2,3 department of mechanical engineering, savitribai phule pune university, amrutvahini college of engineering, sangamner.
Mechanical jacks, such as car jacks and house jacks, lift heavy equipmentand are rated based on lifting capacity for example, the. The power screw is a single acme threaded screw with collar at. Hydraulic scissor lift, hydraulic cylinder, scissor arm, top platform. Scissor lift design calculation mechanical engineering. Pdf design and analysis of scissor jack firaol asefa. Scissor jack design project free download as word doc. The main target of project is to improve version of a mini pneumatic jack. The power screw is single threaded with a collar at the member 3.
Design and standardization of scissor jack to avoid field. Design, development and analysis of electrically operated toggle jack using power of car battery gaurav shashikant udgirkar1, manoj shantinath patil1, rajesh vijay patil1, nilesh ramchandra chavan1, prof. Single acting cylinders use hydraulic oil for a power stroke in one direction only. The design, material and specifications are subject to change without notice. You can start with a complete set of requirements, or just a few simple inputs, and let jax online. Design and fabrication of automated scissor jack ijert. In the case of a scissor jack, a small force applied in the horizontal plane is used to raise or lower large load.
Assembly have been created in 3d autodesk inventor 2014 by our team. Scissor lift design diy scissor lift table kg lift. Seismic performance of an efficient scissorjackdamper. Pdf design and standardization of scissor jack to avoid field. Mechanics and machine design, equations and calculators. For an efficient scissor jack damper configuration with and, equation predicts f 4. Maintenance manual scissor lifts slab scissor lifts this manual includes detailed procedures for each maintenance inspection. City college of new york school of engineering mechanical engineering department spring2014 mechanical engineering i 6500. Ratchet jack ratchet jacks have a manual crank and ratchetandpawl design. Preeti jatti published on 20191206 download full article with reference data and citations. It is commonly used to lift moderately heavy weights, such as vehicles. The following paper describes the design as well as analysis of a hydraulic scissor lift.
Design and animation of scissor lifitng table mechanical. I am designing a single hydraulic scissor lift and require information in order to verify my calculations can anyone guide me in the right direction or assist me in verify my calculations, below are my information. As per the problem discussed in the paper the design presented in the same is targeted to solve the problem faced by the industry. A scissor jack s compressive force is obtained through the tension force applied by its lead screw. Jacks employ a screw thread or hydraulic cylinder to apply very high linear forces. With inflatable jacks, a bag is placed under the workpiece and inflated to achieve lifting. Scissor jack is used to lift the heavy loads in which rotary motion is converted into linear motion. A special lifting platform is driven by a simple metal structure with levers that look like scissors connected with others in a long chain. More powerful jacks use hydraulic power to provide more lift.
Designing a hydraulic scissor lift jeremy schwartz hydraulics are a very powerful tool for applying a ton of force no pun intended where you want, when you want it. Diy scissor lift table project scissor lift mechanism kg, lifting height. Description this scissor lift will reside on the trailer frame underneath the dump bed. Design and analysis of hydraulic scissor lift by fea. Executive summary the focus of this project is to design and build a lift for surgeons in the operating room. That is, the linear speed is 375 mm per min at 1500 rpm. Scissor lift design calculations cr4 discussion thread. Sep, 2019 scissor lift table from a single sheet of plywood. The paper describes the design as well as analysis of a hydraulic scissor lift having two levels. Our pksc2030 series of scissor platform lifts are available in lifting capacities between 20,000 and 30,000 lb, and are ideal for shops looking for affordable and reliable compact heavy duty lifting solutions. A scissor jack is mechanical equipment used to lift up heavy loads. Designing and calculating the stresses induced in scissors jack for three different materials jaideep chitransh, dilshad hussain abstract. 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. 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.
A p p l i e d m echan e ornal of pplied j mechanical. Pdf a scissor jack is a mechanical device used to easily lift a vehicle off the. This project is for final year mechanical,diploma students. One possible way of calculating the reaction forces throughout the lift is to begin at the top of the lift where the applied loads are known, and, using equations of static equilibrium, solve for the reaction forces in the first scissor level 1. Jacks can be categorized based on the type of force they employ. Our easytouse jax r online software enables you to specify the right jacks and components for your ideal lifting and linear motion system. Hydraulic cylinders and jacks enerpac provides the largest selection of hydraulic cylinders, jacks and rams, fully supported and available through the most extensive network of distributors worldwide. 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. Sep 08, 2015 design and fabrication of a power scissor jack 1.
Hydraulic scissor lifting machines hydraulic scissor lift. When this crank is turned, the screw turns, and this raises the jack. We have a solution for virtually any application lifting, pushing, pulling, bending or holding in most industrial and commercial work. A scissor jack is a mechanical device used to lift a heavy vehicle from the ground for changing the wheel and for maintenance purpose. To design a power scissor jack which is safe and reliable to raise and lower the load easily. 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. Conventionally a scissor lift or jack is used for lifting a vehicle to change a tire, to gain.
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. Lead brand scissor jack is a fast and laborsaving design, load 1. A scissor lift jack or mechanism is device used to extend or position a platform by mechanical means. Some external force acting on the piston rod causes its return. Never attempt to work on or near a vehicle when it is raised on the scissors unless the safety latches are engaged on each scissor unit. Scissor lift jack equations and loading calculator. Designing and calculating the stresses induced in scissors jack. Car jacks usually use toggle advantage to allow a human to lift a vehicle by manual force alone. Car jacks usually use mechanical advantage to allow a human to lift a vehicle by manual force alone. 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. Introduction 1a scissor lift is a vertical lifting device that consists of a platform. Mathematical model of design procedure is also made which will suppose to help in standardization of scissor jack design by using matlab. Scissor jack a scissor jack is operated by turning a lead screw.
Kansas city, mo 64153 phone 18168916390 90 days limited warranty for a period of ninety 90 days from date of purchase, sfa companies will. A more compact model was later made, which is about three feet in length, and can lift 112 tons. Rough terrain scissor lifts for repair procedures, fault codes, electrical and hydraulic schematics, refer to the appropriate service and repair manual for your machine. Different types of trusses southwest home and hearth. A scissor jack is operated simply by turning a small crank that is inserted into one end of the scissor jack. The power screw is a single acme threaded screw with collar at both ends, with one end in contact with. The car is represented by a onemass flat design model. Pdf design and fabrication of hydraulic scissor lift. Design and analysis of hydraulic scissor lift by fea sabde abhijit manoharrao1, prof. For this purpose a research of literature and articles was made, that contain missing information of the theoretical part of the problem. In this work a power scissor jack to lift and support a load of 4.
The end fits into a ring hole mounted on the end of the screw, which is the object of force on the scissor jack. Our products are fabricated using highgrade raw material and the machine is precisely designed, easily operated and provides optimum performance. Design and analysis of scissor jack manoj r patil1 and s d kachave1 corresponding author. Design, development and analysis of electrically operated. The data was mainly taken from the internet, particularly from articles, digital copies of books and. A distinctive feature of an electrohydraulic scissor lift in comparison with other analogues is the low price due to the use of a relatively simple design. Simulative calculation and optimal design of scissor lift. We are a major supplier and manufacturer of scissor lifts and are committed to offer our clients, a wide collection of scissor lift. Most scissor jacks are similar in design, consists of four lifting arms. Ball screw jack with you to find the perfect solution to your most challenging applications.
Designing a hydraulic scissor lift mit opencourseware. Catia is used to develop and analyzed the scissor jack. Rogtz electric car floor jack set 3 ton allinone automatic 12v scissor lift jack with impact wrench and tire inflator pump for tire. Scissor lift table from a single sheet of plywood youtube.
To fabricate the prototype of a scissor jack which is operated by a. Modification of the existing design of a car jack a. A wide variety of double scissor jack design options are available to you, such as double cylinder hydraulic lift, scissor jack, and electric jack. Mechanics and machine design, equations and calculators engineers edge welding training welding basics for beginners potential work in metal welding discover this info here.
Mohammed department of mechanical engineering university of mines and technology, tarkwa, ghana. Scissor lift design calculation chicopee mechanical 8 may 17 14. The scissor jack supports quarter of total vehicle mass only, which lies between 300 kg3000n to kg0n. You can also choose from 110t, 1120t double scissor jack design there are 86 suppliers who sells double scissor jack design on, mainly located in asia. Results the convergence studies were completed for the individual. The design is performed by considering hydraulic scissor lift as a portable, compact and much suitable for medium type of load application. For safety design weight is taken as 400 kg or 4000n. This tech note discusses the principles behind the design of a hydraulically powered scissor lift. For a scissor lift that has straight, equallength arms, i. How to make your own small scissor lift jack step by step with plans. Project includes all cad 3d parts, necessary for implementation of complete product. Design and analysis of scissor jack full report download.
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