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