Scissor jack design pdf

The scissor jack supports quarter of total vehicle mass only, which lies between 300 kg3000n to kg0n. The paper describes the design as well as analysis of a hydraulic scissor lift having two levels. The power screw design of a common scissor jack reduces the amount offorce required by the user to drive the mechanism. In this paper, a unique design of scissor jack is compile to lift low. As per the problem discussed in the paper the design presented in the same is targeted to solve the problem faced by the industry. Catia v5v6 tutorial car jack scissor jack design step. The power screw design of a common scissor jack reduces the amount of force required by the user to drive the mechanism. Design and fabrication of automated scissor jack ijert. This paper relates to design modification and failure analysis of crankoperated scissor jack which is generally used for lifting light motor vehicles l. Rigid and flexible methods by 14design and analysis of an aerial scissor liftabhinay. In the case of a screw jack, a small force applied in the horizontal plane is used to raise or lower large load. Fits in the larger 26x14x16 envelope, but could possibly wedge into the smaller package diagonally. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Pdf design and standardization of scissor jack to avoid.

I had considered using some sort of auto scissor jack as a lifting mechanism, but think that you design will serve the purpose equally as well without attempting to find the center point to mount the scissor jack. Scissor lift jack equations and loading calculator. Rigid and flexible methods by 14 design and analysis of an aerial scissor liftabhinay. The operation of a scissor jack starts by using a z shaped crank that is mounted to a small hole on the mechanism. Pdf design and fabrication of hydraulic scissor lift. Aher department of mechanical engineering, amrutvahini college of engineering, sangamner. In the remaining sections the design issues listed above are discussed. Pdf design and analysis of scissor jack firaol asefa. Amongst these alternatives available, scissor jack is widely used for lifting vehicles. Design analysis of scissor jack free download as powerpoint presentation. Conclusion the paper will include a scissor jack of automobile l.

The power screw mechanism included in a scissor jack is design to lower the amount of force needed to lift the heavy loads. 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 analysis of hydraulic scissor lift by fea. A scissor jack is mechanical equipment used to lift up heavy loads.

Members 1 through 8 are all primarily cshapes with ideal pin connections. No tools required, no loose components or separate parts. This jack is mostly used in cars for the remove the tyres we have designed. The best part of having a scissor jack is the compact design. The scissor lift can be used in combination with any of applications such as pneumatic, hydraulic, mechanical, etc. Most scissor jacks are similar in design, consisting of four main members driven by a power screw. Design and fabrication of motorized automated object. Car jacks are available at the market has some disadvantages such as. This design looks like it will serve my exact needs. To design a power scissor jack which is safe and reliable to raise and lower the load easily. Introduction 1a scissor lift is a vertical lifting device that consists of a platform. Olympian scissor jacks are designed to stabilize and level recreational vehicles.

Design philosophy skyjackoducts pr are designed and engineered to be easy to service and maintain. Scissor jacks are simple mechanisms used to drive large loads short distances. After studying failure modes we made a mathematical model analytically and by using softwares thereby made a new versatile scissor jack that can be used for varying models of l. Proposed design summary the scissor jack design, shown in figure 1, consists of four main lifting members, four connection members, a power screw and a crank. Derivation for case 1 we will first consider the lift if it were embedded in a cartesian plane, with origin at the lower most hinge on the static end of the lowermost level of the scissor lift fig. When this crank is turned, the screw turns, and this raises the jack. 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. A scissor jack is a device constructed with a crosshatch mechanism, much like a scissor.

Sep 08, 2015 design and fabrication of a power scissor jack 1. Scissor lift design calculations pdf scissor lift design is used because of its ergonomics as compared to other. A commercially available scissor jack is shown in figure 1. Kansas city, mo 64153 phone 18168916390 90 days limited warranty for a period of ninety 90 days from date of purchase, sfa companies will. The different alternatives available are like scissor jack, hydraulic jack, pneumatic jack, floor jack, etc. Product title zimtown 2 ton scissor jack heavy duty folding design lift car tire repair lift tool average rating. Pdf design and standardization of scissor jack to avoid field. Most scissor jacks are similar in design, consisting. Catia is used to develop and analyzed the scissor jack. Car jacks usually use toggle advantage to allow a human to lift a vehicle by manual force alone. Scissor or toggle jack a toggle or scissor jack is a device which lifts heavy equipment. Original version on the front page of the operation manual supplied with the scissor jack shall be binding. 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 change. A scissor jack is a mechanical device used to lift a heavy vehicle from the ground for changing the wheel and for maintenance purpose.

Base this is the bottom of the structure that rests on the floor. By keeping design simple and using proven technology, the reliability and ease of service is common to all skyjack products. Introduction the most basic scissor jack design is truly engineering at its finest. Design modification and failure analysis of scissor jack. Hydraulic scissor lift, hydraulic cylinder, scissor arm, top platform. The bottom is bigger, the steel plate is thickened, and the threaded shaft is solid 3.

Solidworks tutorial design and assembly of car jack in. Pdf a scissor jack is a mechanical device used to easily lift a vehicle off the. It is also known as a screw jack, and is commonly used as carjacks. A special lifting platform is driven by a simple metal structure with levers that look like scissors connected with others in a long chain. How to make your own diy scissor lift with plans woodwork. Platform this is the top of the lift table where lifted product sits. Design and optimization of scissor jack 1 chetan s.

Data analysis of scissor jack static loading conditions subjected to point load on upper cap of 2033 kgs is shown in tables 1 and 2. Modification of the existing design of a car jack citeseerx. Catia v5v6 tutorial car jack scissor jack design stepby. Hello friends welcome to nes learning hope you are doing well.

Executive summary the focus of this project is to design and build a lift for surgeons in the operating room. Car jack is a device used to lift up the cars while changing the tires during an emergency. 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. May 07, 2016 in this tutorial video i will show you how to design and assemble a car jack in solidworks. For safety design weight is taken as 400 kg or 4000n. Skyjack aerial work platforms offer the rental industrys best life cycle value through low cost of ownership, ease. When you need to change a tyre or lift your vehicle for any other reason, this scissor jack will lift up to 1. Lead brand scissor jack is a laborsaving design, load 2. Hydraulic scissor lift tables are comprised of five major components. Consisting of four main members driven by a power screw a scissor jack is operated simplyby. May 26, 2017 hello friends welcome to nes learning hope you are doing well. A scissor jack is operated simply by turning a small crank that is inserted into one end of the scissor jack.

The type of switch that is used is known as a toggle switch. We also keen at designing and optimization of scissor jack at the same time maintaining its strength and service life. Rs khurmi, a text book of machine design, eurasia publishing house pdf. 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. Preeti jatti published on 20191206 download full article with reference data and citations. Do not use the scissor jack to lift excessive weight or tires. 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. Karin muraszko, of the university of michigans neurosurgery. A scissor jack is the most common type of jack which may have encountered as there jacks comes along with cars.

Scissor lift design is used because of its ergonomics as compared to other heavy lifting devices available in the. Design and analysis of scissor jack full report download. Mathematical model of design procedure is also made which will suppose to help in standardization of scissor jack design by using matlab. This proposed design of scissor jack after its stress analysis concludes that. For a scissor lift that has straight, equallength arms, i. A jackscrew is a type of jack which is operated by turning a lead screw. For optional design versions, the use of additional ordering options or the implementation of the latest technical modifications the actual scope of delivery may differ from the descriptions and illustrations in this manual. The most common form is a car jack, floor jack or garage jack which lifts vehicles so that maintenance can be performed. Scissor jacks are simple mechanisms used to handle large loads overshort distances.

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. Lift tables may incorporate rotating platforms manual or powered. Design and standardization of scissor jack to avoid field. Design and fabrication of automated scissor jack written by mr. Forces in scissor jack members the maximum capacity for the scissor jack is the 600 kg. Most scissor jacks are similar in design, consists of four lifting arms, a base plate, a carrier plate, two.

Nikam4 1,2,3 department of mechanical engineering, savitribai phule pune university, amrutvahini college of engineering, sangamner. Design and fabrication of motorized automated object lifting jack. 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. The products compactly designed with dimensions of 42 x 10 x 4,5 cm making it easy to store or transport. Car jacks usually use mechanical advantage to allow human being to lift a vehicle. Design and standardization of scissor jack to avoid field failure. Members 1 and 5 both have additional details to account for the contact surfaces. Jacks employ a screw thread or hydraulic cylinder to apply very high linear forces. Conventionally a scissor lift or jack is used for lifting a vehicle to change a tire, to gain. Scissor jack is used to lift the heavy loads in which rotary motion is converted into linear motion. Design and optimization of scissor jack pdf free download.

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