Table of contents identification and inspection 3 dangers and warnings 4 label identification 8. Scissor lift self propelled scissor lift manufacturer from pune. As the result of the work the 3d model of the lift using. Box 1058 1058 west industrial avenue guthrie, ok 730441058 4052825200 fax.
Its called a scissor lift because between the base and upper platform is a cross braced mechanism similar to the arms of a pair of scissors. In this tutorial, we will be automating the creation of a scissor lift. A scissor jack is a mechanical device used to lift a heavy vehicle from the ground for changing the wheel and for maintenance purpose. Scissor lifts manufacturer, supplier, exporter in china dfhoist. Karin muraszko, of the university of michigans neurosurgery. Jun 04, 20 the scissor lift starts from collapsed state as i have tried to show in my first post attachment. In major cities, you will often see scissor lift tables used as platforms for maintenance and construction. My team tried to build a scissor lift twice at the beginning of this year. Some scissor lift tables are used as weight platforms to weigh machinery and other mechanisms. Nationwide in 2009, 22 workers suffered a fatal occupational injury while operating a man lift. Scissortype machines must be set up on stable level ground, even with outriggers deployed. Pdf design and fabrication of hydraulic scissor lift. Analysis and optimization of hydraulic scissor lift. This paper is the result of the need for dynamic analysis of certain elevating platforms.
A scissor jack is operated simply by turning a small crank that is inserted into one end of the scissor jack. Desing and calculation of the scissorestype elevating platforms beqir hamidi faculty of mechanical engineering, university of pristina abstract. Pdf design and analysis of scissor lifting system by using. To help develop more effective methodsstrategies for preventing scissor lift tipover, the objective of this study is to enhance the understanding the major mechanisms and factors influencing tipover. Scissor lifts manufacturer, supplier, exporter in china. This unit requires 80100 psi factory air supply for operation. Diy scissor lift table with 1200kg lifting force and lifting height from163mm to mm. Scissor lift tables can help you in any renovation or remodel. Pdf the paper describes the design as well as analysis of a hydraulic scissor lift having two levels. As shown on the attachment in my first post there are two cylinder fastening eyes where the cylinder is fastened. Scissor lift jack equations and loading calculator. Design and analysis of hydraulic scissor lift by fea. In this way the goods on the lift can safely be moved between levels. The scissor lift starts from collapsed state as i have tried to show in my first post attachment.
Diy scissor lift table download 3d and 2d plans of. Hydraulic scissor lift table plans and automated scissor table lift calculations in microsoft office. The most common lift table design incorporates hydraulic cylinders and an electrically powered pump to actuate the scissor lifting mechanism. Project of hydralic table lift with permissible load 1200kg, based on welded steel frame. Scissor lift jack equations and loading calculator engineers edge. Pdf design and analysis of scissor lifting system by. Scissortype machines range in capacity from 500 to several thousand pounds and are available with platform heights reaching 15 m 50 ft or more. This means a custom design needs to be produced for each sales enquiry or order. A scissor lift jack or mechanism is device used to extend or position a platform by mechanical means.
The site describes the equation for a multiscissor lift as the exact same equation, except you multiply f by the number of stacked scissor mechanisms. Scissor lift design calculations pdf scissor lift design is used because of its ergonomics as compared to other. You can use it to stack boxes, pallets and other heavy materials. The most important fact of a jack is that, it gives the user a mechanical advantage by changing the rotational motion into linear motion and allowing user to lift a heavy car to the require height. Speed and traction genie rt scissor lifts are able to traverse through uneven or rough terrain environments. Jeanphilippe major jeffrey trembley dominic pellerin. Use the lift as a deck extension during a major renovation or project.
Scissor lift design calculation mechanical engineering. Project engineers research institute of faculty of mechanical engineering in pristina. The first electric scissor lift in its size with 45 percent gradeability and crossover symmetrical fourwheel. Our first iteration used four 393 motors to lift from the center, geared 1. Simulative calculation and optimal design of scissor lift mechanism free download as pdf file. Oct 20, 2017 these allow the lift table to lift and lower. A hydraulic scissor lift is a mechanical device used for lifting of the loads to a height or level. 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. Our scissor lift tables can be pit installed or floor mounted, sited indoors or outdoors. By employing scissor lift tables in a warehouse, all heavy items can be lifted with ease. Please subscribe our channel for more videos and projects in solidworks. Scissor lift self propelled scissor lift manufacturer.
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 equilib. For a stable scissor jack platform, the weight of the scissor structure and length are corollaries of one another. Imagine you work for a company that designs and manufactures scissor lifts, where each scissor lift you design is the same but different. This cad project we made entirely in inventor 2014. Scissor lifts enance costs and time are reduced due to the maint elimination of air filters, fuel filters, oil filters, oil changes, belts, coolants, etc associated with internal combustion engines. Mar 20, 2018 the most common lift table design incorporates hydraulic cylinders and an electrically powered pump to actuate the scissor lifting mechanism. Diy scissor lift table download 3d and 2d cad complete. Its called a scissor lift because between the base and upper platform is a cross braced mechanism similar to the arms of a. This table is driven by two mapro single action hydraulic actuators. This mechanism combines a result of several main fields of engineering and at the same time, it. The base frame of the lift has predrilled holes for lagging the lift securely to the floor. Speed and traction genie rt scissor lifts are able to traverse through uneven or rough terrain environments more ef. Whether your requirement is within the warehouse, loading bay, production line, packing area whatever your application and industry, there is our scissor lift table to solve your materials handling problem.
Mechanics and machine design, equations and calculators. Hydraulic scissor lift table report linkedin slideshare. Pdf scissor lift jack equations and loading calculator. Joseph county, a 20 yearold student employee was videotaping a university football practice from a scissor lift. Pdf scissor lift design for use in the automotive industry. The at10 scissor lift table features foot operated controls for raising and lowering the scissor platform.
First, guys suggestion does take into account the weight of the scissor arms. Selfpropelled scissors options and specifications specifica tions selfpropelled scissors model working height width turning radius outside lift capacity gradeability metric us metric us metric us metric us electric scissor lifts gs1532 6. Mobile hydraulic scissor lift platform is a widely used special equipment for high altitude operations. The main objective of the use of scissor lift is to reach to a desired height or level. Scissor lift design calculations cr4 discussion thread. The genie gs4047 selfpropelled electric scissor lift is purposebuilt to meet the demands of tightly packed, highrise indoor spaces found in modern tiltup warehouse construction.
When it raises, the left side of the lift moves towards the right because of the rollers on the scissor lift. The lifting adopts hydraulic cylinder to push the scissor mechanical structure, which makes lifting platform rise with stability. I understand that the higher the scissor lift is raised, the less force that is required to raise it. The terms scissor comes from the mechanism utilized which is configured with. All warning and information decals should be in place as outlined in the label identification section. Scissor lifting mechanism was design to lift person, materials, and loads smoothly. Features robust steel construction and has a chrome plated deck. This mechanism is achieved by the use of link, folding support in crisscross pattern known as a pantograph. To avoid personal injury, never go under the lift platform until the load is removed and the scissors mechanism is securely blocked in the open position.
The top platform of the scissor lift remains horizontal as it raises from the lower to closed position. When it raises, the left side of the lift moves towards the. Scissor lift calculations pdf the analysis of the scissor lift was done in ansys and all responsible. 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 of hydraulic scissors lifting platform thesis 2016. A scissor lift provides most economic, dependable and versatile methods of lifting loads as it has few moving parts which may only require lubrication. Lift tables can also be driven by pneumatic sources. Greg mechanical engineering calculations what others are saying. When this crank is turned, the screw turns, and this raises the jack.
Scissor lifts are classified as a type of man lift. 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. For a scissor lift force required to lift the load is dependent on. Scissor lift design calculation sparweb aerospace 4 may 17 18. The scissor lift table can raise a forklift so that maintenance to the underneath of the forklift can be performed. Simulative calculation and optimal design of scissor lift.
Scissor lift calculations technical discussion vex forum. Design of hydraulic scissors lifting platform theseus. Pdf design and fabrication of hydraulic scissor lift researchgate. Design, analysis and development of hydraulic scissor liftijaerd. Without checking the calculations, some discrepancies are clear. Design and construction of hydraulic scissor lift inpressco.
This scissor lift carries 550 lb 249 kg to a maximum working height of 45 ft. Executive summary the focus of this project is to design and build a lift for surgeons in the operating room. Hydraulic lift, scissors lift, lifting table, scissors calculations. A scissor lift is the type platform that can usually move vertically. This mechanism combines a result of several main fields of engineering and at the same time, it is simple and accessible for understanding. A scissor lift elevator is a vertical transportation cab which is raised and low. Designing and calculating the stresses induced in scissors jack for three different materials jaideep chitransh, dilshad hussain abstract. Length of link was consider as the beam for calculation purpose 1425mm. Hydraulic scissor lift, hydraulic cylinder, scissor arm, top platform. Hydraulic scissor lift efficient use of hydraulic power. Solidworks tutorial design and assembly scissor lift in. The hydraulic lift was chosen as a subject of the thesis because it is a perfect example of mechanical engineering field. Scissors lifts are designed individually for a specific load and application. The length and width of the scissor lift can be changed.
Scissor lift is a machine that has vertical with crisscross x. An investigation on the dynamic stability of scissor lift. We were able to make some pretty shafts by twisting them about 45 times, but we failed to lift the scissor lift. As the result of the work the 3d model of the lift using solidworks software was created. The 26 foot and 33 foot models are also equipped with this feature, providing ultimate end user up time while on the jobsite.
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