Car jacks use mechanical advantage to allow us to lift a vehicle by manual force alone. Just by turning this screw thread, the scissor jack can lift a vehicle that is several thousand pounds. A mechanical jack employs a screw thread for lifting heavy equipment. The term scissor comes from the mechanical configuration, which is based on linked, folding supports disposed as a crisscross x pattern. Blackhawk automotive 4ton long ram manualhydraulic jack single piston, flat base, model. Car jacks usually use mechanical advantage to allow a human to lift a vehicle by manual force alone. Design analysis of scissor jack free download as powerpoint presentation. 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. Rough terrain scissor lifts for repair procedures, fault codes, electrical and hydraulic schematics, refer to the appropriate service and repair manual for your machine. On all scissor assemblies, the scissor arm end pins and center pins see. This paper is targeted to analyze the development in existing scissor car jack in order to make load lifting easier by utilizing car battery 12v which can be used in emergency situations. When unit is completely collapsed an envelope area of 5 x 1012 will be required for operation. Figure 1 shows the design of automatic car jacker where. To begin this tutorial, you will need to download the solidworks project files for the scissor lift from the driveworksxpress website.
Jacks can be categorized based on the type of force they employ. Scissor jacks 2 ton heavy duty scissor jacks euro car parts. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. This type of jack stand is smaller, and is included with many new or used vehicles. The manual jack often fits into a trunk compartment, and its part of what car buyers get, along with a spare tire, to help them fix any roadside flat tire. Make a visual inspection of the product before using it every time. Introduction the most basic scissor jack design is truly. Scissors jack analysis project with our final concluded work we found the relationship between the load and the forces on each member of the jack. Scissor jack 1 12 ton capacity american made order on line or call 800 535 2257. Shop for hydraulic jacks in automotive stands and supports. Below are analyses two other car jacks that are similar to the jack i wish to design.
They represent the two primary models of scissor jacks available. Pdf development of auto car jack using internal car power. All about car jacks and stands yourmechanic advice. Machine mart limited acts as a credit broker and only offers credit products from secure trust bank plc trading as v12 retail finance. Our project is a scissor car jack, which helps lift and hold car safely for maintenance purposes. The solidworks files are contained within a zipped file. Modelling design of scissor jack is done with proe and model assembly is shown in figures 1 to 3. Design and standardization of scissor jack to avoid field failure. Design of hydraulic scissors lifting platform, 41 pages.
As our area of concern is a screw jack used for lifting the car that is scissor jack. Buy products such as prolift f2332 grey hydraulic floor jack 2 ton capacity at walmart and save. The end fits into a ring hole mounted on the end of the screw, which is the object of force on the scissor jack. The first electric scissor lift in its size with 45 percent gradeability and. Scissor car jacks usually use mechanical advantage to allow a human to lift a vehicle by. It is also known as a screw jack, and is commonly used as car jacks.
Understanding the 3 different types of car jacks and how. When this crank is turned, the screw turns, and this raises the jack. A commercially available scissor jack is shown in figure 1. The basic jack found in the trunk of your car, called the scissor jack, will likely come in handy one day. When used in conjunction with a jack, our axle stands enable you to access the entire underside of your car safely. How to use car standard scissor jack and replace wheel.
The jack is useless without its crank handle, so before you head out on the road, check to make sure that you have the jack, the crank handle and a spare tire. Maintaining and making minor repairs to your car from your own garage has never been more accessible, or affordable. Final report on electric car jack 3 gear transmission. 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. In all three cases, start off by locating the jacking points your owners manual will tell you where it is safe to lift the car from and make sure your car is on a firm even surface. A little hard to rotate, but is solid and will work in an emergency. Necessity of jack in repair and maintenance of automobiles it is necessary to raise an automobile to change a tire. A mechanical jack is a device which lifts heavy equipment. The grabcad library offers millions of free cad designs, cad files, and 3d models. Product title 12v scissor lift jack 3 ton scissor lift jack electric scissor jack for car van garage home emergency auto repair tools 3t 6600lbs average rating. In the case of a screw jack, a small force applied in the horizontal plane is used to raise or lower large load. I have combined them in a solidworks assembly file. The screw performs the same task as screws in hydraulic car lift, supporting the metal pieces in withstanding the oppressing weight. Mechanically advanced scissor jack screw rivet free 30day.
I know where the center of gravity is acting and the potential locations distances from the center of gravity the car will be jacked up. What links here related changes upload file special pages permanent link. Quick suggestion maybe you should add a simple dialog box to ask the user if heshe would like the pages stackedif over 20 pages. Designing and calculating the stresses induced in scissors jack for three different materials jaideep chitransh, dilshad hussain abstract. More powerful jacks use hydraulic power to provide more lift over greater distances. The most common form is a car jack, floor jack or garage jack which. Mechanical jacks are usually used for maximum lifting capacity. Find lifting jacks on globalspec by specifications. There are three main types of jack the trolley, bottle and scissor jack. In the case of a scissor jack, a small force applied in the horizontal plane is used to raise or lower large load. A scissor jack is a mechanical device used to lift a heavy vehicle from the ground for changing the wheel and for maintenance purpose. It can also be applied to lift any heavy load you desire and not just for your vehicle. Our allinone lifting kit is a popular option that incorporates 2 tonne axle stands with a jack, making it.
The most common form is a car jack, floor jack or garage jack which lifts vehicles so that maintenance can be performed. They all do fundamentally the same thing, but in a slightly different way. When it comes to car jack safety, a factory jack is not the same as a service jack for a number of reasons. Each cad and any associated text, image or data is in no way sponsored. Height of top plate in 5 revolution increments of the handle. Design details of jack the total height of the screw jack 276 mm. No tools required, no loose components or separate parts. The most important fact of a jack is that it gives the user a mechanical advantage by changing the rotational force on power screw into linear motion, allowing user to lift a heavy car to the. Nov 07, 2009 homework statement i have to determine the max load a scissor jack must support when lifting a 6000lb car. Pdf 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. A scissor jack is operated simply by turning a small crank that is inserted into one end of the scissor jack. Sep 30, 2015 excellent program i did an approximately page200mb document in a matter of seconds once the program loaded it. Car jacks usually use toggle advantage to allow a human to lift a vehicle by manual force alone. Cartar mobile hoist power point presentation youtube.
Design of the toggle jack free download as word doc. Excellent program i did an approximately page200mb document in a matter of seconds once the program loaded it. Mar 11, 2015 a commercially available scissor jack is shown in figure 1. 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. This is a 5,000 lb leveling jack that has measures 4 inches when retracted and 24 inches when extended. The apbt is the midsized breed of the three generally referred to as pit bulls see also american staffordshire terrier ast and staffordshire bull terrier sbt, though the term has been deemed slang. The most common and familiar type of scissor jack to most consumers, though, is a manual jack. Screw type jacks were very common for jeeps and trucks of world war 2. When inserted and turned clockwise this arm drives the screw through the scissor mechanisms central pivot points thread, elongating the jack and, thus, raising the vehicle. Scissor or toggle jack a toggle or scissor jack is a device which lifts heavy equipment.
This scissor jack is a high quality import distributed by u. It is a 2003 honda crv, ulp 91, automatic transmission, car 2 weeks. 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. The jack is designed to support 25% of the weight of small passenger cars weighing up to 1200 kg. Although i am making up the majority of them as i go along. Ensure you extract the files from this folder before beginning the training. If you end up with a flat tire, drive your vehicle. If scissor lift is found to fail any aspect of the inspection, remove from service and report it to your supervisor. Calculation max load on a scissor jack lifting a car. We already tried it to jack up a honda odysee and it worked great. A scissor lift elevator is a vertical transportation cab which is raised and lowered from underneath, somewhat like a traditional hydraulic elevator, except. Dims specs of which i must design to are as follows.
Homemade car lift plans are there any reliable car lift. A screw jack serves to give mechanical advantage by changing rotational force to linear force thus allowing one to lift a. Scissor stock photos download 20,763 royalty free photos. Change a tire quickly and securely with the help of a scissor lift. Comparing mathematical model of scissors jack analytically. Failure to inspect and properly maintain pinned connections can lead to scissor arm failure and assembly collapse, potentially causing serious injury andor death. Maintenance manual scissor lifts slab scissor lifts this manual includes detailed procedures for each maintenance inspection. There is a one screw in the toggle jack which is rotating. They use screw or cylinderbased actuators and are powered by hydraulic, mechanical, electric, or manual methods. Examples of mechanical jacks a floor jack b scissor jack 7. Hello everyone i am working on a design at the moment using inventor 2012. Design and standardization of scissor jack to avoid field. Introduction the most basic scissor jack design is truly engineering at its finest. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
Lifter isolated on white background legs up scissor. Two legs up in the air in a scissor shape different self propelled articulated boom lifts and one scissor lift. Design and analysis of scissor jack full report download. With hydraulic system at maximum height range painted in orange and beige colors, large construction machine, heavy industry, white scissor jack or car. Rbj series of rolling bridge jacks 5 pn 5900004 june 2018 rev. Nikam4 1,2,3 department of mechanical engineering, savitribai phule pune university, amrutvahini college of engineering, sangamner. Jacks and jack stands are extremely safe and reliable as long as they are used correctly and the correct jack and stand is used for the vehicle weight. Mechanical jacks, such as car jacks and house jacks, lift heavy equipmentand are rated based on lifting capacity for example, the. C2 make sure all operators read and understand this installation and operation manual.
Fits in the larger 26x14x16 envelope, but could possibly wedge into the smaller package diagonally. Define rigid bodies and assemble them to model a scissor mechanism. Harbor freight tools quality tools at discount prices since. Shop for scissor jacks in automotive stands and supports. Design of mechanisms with scissor linear joints for swept. Jacks employ a screw thread or hydraulic cylinder to apply very high linear forces. Free printable, help kids of all ages practice scissor skills with this free pdf file cut out, younger and older kids. A mechanical jack employs a square thread for lifting heavy equipment. With just a little persistence, we got it off the ground. A vehicle jack uses the power of hydraulics to lift up part of a car allowing the user access to change a tire or perform repairs or maintenance.
Join the grabcad community today to gain access and download. Most scissor jacks are similar in design, consists of four lifting arms, a base plate, a carrier plate, two connection members. The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be performed. In contrast, rotating the screw counterclockwise unthreads the screw, shortening the jack and, in turn, lowering the car to the ground. Works fine and good price to just have in the back of your car. Pdf scissor lift jack equations and loading calculator. Car jack cad design the objective of this project was to design and assemble a scissor type car jack, and to create a full set of 2d drawings. The screw jack or scissor jack that came with your car was developed for compactness and temporary use, whereas a service jack or floor jack is optimized for durability and versatility.
It will act as a file and abrade the mating screw surface. Find scissor stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. Alarmed by a recent fatal jack collapse incident in our city, our houston jack failure accident lawyers decided to take a look at data from across the country. Scissor jack a scissor jack is operated by turning a lead screw. Homemade adjustable stand and motorcycle lift constructed by welding sections of square tubing to a scissor jacks lifting saddle and foot plate. Lifting jacks are used for leveling or positioning heavy equipment, or for supporting structures.
Scissor car jack is very efficient and easy to use since it has a very simple mechanism. Thousands of new, highquality pictures added every day. Final report on electric car jack 3 free download as pdf file. Scissor lift jack equations and loading calculator engineers edge. Sep 18, 2012 a scissor lift jack mechanism is a mechanical device used to lift up or down an upper platform. Emil mickael feb 24, 2004, motor driven scissor jack. The manual laboratory scissor jack works mechanically by having a central screw connected to the central piece of metal between two layers of crossing metal pieces. Every manufacturing product requires cost efficient method and its variation in application maintaining its natural structure as well as assign service life keeping failure parameters in mind we are focused on our intention of designing, modifying. Jack that this piece of equipment will meet your expectations in quality and performance. A jack is a mechanical lifting device used to apply great forces or lift heavy loads. Jme 4110 mechanical car jack open scholarship washington. Sep 08, 2015 design and fabrication of a power scissor jack 1. The deformation of the screw jack in y direction 2. Looking for a scissor lift for an atv or bike instead.