They represent the two primary models of scissor jacks available. Final report me 450 design and manufacturing iii winter semester project 16 surgical power lift. Design analysis of scissor jack free download as powerpoint presentation. To fabricate the prototype of a scissor jack which is operated by a gun powered by the car battery. In modeling of scissor lifts the maximum extension length and closing length of scissor arms plays a key role it bears the loads and lift platform. The bridge jack shown in figure 2 operates as a scissor lift with the hydraulic cylinder located. This project is focused on designing and finding various stresses and expected. This design looks like it will serve my exact needs. The car jack in our project is generally termed as scissor jack because of its shape which is much like a scissors. Design, development and analysis of electrically operated. The goal of project 9 is to design and build a lift for surgeons in the operating room.
The main target of project is to improve version of a mini pneumatic jack. A mechanical jack employs a screw thread for lifting heavy equipment. Design and analysis of scissor jack full report download mechanical project introduction mechanical jack a jack is mechanical device used to. Design modification and failure analysis of scissor jack. Design and fabrication of motorized automated object lifting jack. Great project i had the same question as most u other guys, where do i get the jack so i can build this thing. The objective of this project was the design and construction of a custom bridge jack for cal. Design and fabrication of motorized automated object. The power screw design of a common scissor jack reduces the amount of force required by the user to drive the mechanism. In this work a power scissor jack to lift and support a load of 4. The scissor lift is a specialized type of aerial lift, designed to lift larger loads and provide more work space. Design, construction and evaluation of an automotive.
Mechanical engineering final year project report pdf download. Mathematical model of design procedure is also made which will suppose to help in standardization of scissor jack design by using matlab. Scissor jacks are simple mechanisms used to handle large loads overshort distances. In this fabricated model, an electric motor will be integrated with the object lifting jack and the electricity needed for the operation will be taken from the. Karin muraszko, of the university of michigans neurosurgery department. A scissor jack is a mechanical device used to lift a heavy vehicle from the ground for changing the wheel and for maintenance purpose. Download as docx, pdf, txt or read online from scribd. Also such design can make the lift more compact and. A jackscrews compressive force is obtained through the tension force applied by its lead screw. Consisting of four main members driven by a power screw a scissor jack is operated simplyby. Design and standardization of scissor jack to avoid field.
Pdf development of auto car jack using internal car power. 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. Mechanical, diploma mechanical students for final year submission. A jackscrew is a type of jack which is operated by turning a lead screw. Design, construction, and evaluation of an automotive bridge jack by.
Examples of mechanical jacks a floor jack b scissor jack. A scissor jack is mechanical equipment used to lift up. The applications of a scissor lift table include a variety of things. Worm gear screw jacks with ball screws achieve between 1071 mm per min and 2124 mm per min, depending on size and lead. Pneumatic scissor lift jack project nevon projects. Design and fabrication of power scissor jack screw. Of the screwtype mechanisms, there are scissor jacks, common in newer cars, and bumper jacks, common in older cars. Most scissor jacks are similar in design, consists of four lifting arms, a base plate, a carrier plate, two. The power screw design of a common scissor jack reduces the amount offorce required by the user to drive the mechanism. The operation of a scissor jack starts by using a z shaped crank that is mounted to a small hole on the mechanism. Pdf on jan 1, 2008, m m noor and others published development of auto car jack using. A commercially available scissor jack is shown in figure 1. The design will be developed keeping in mind that the lift can be operated by mechanical means so that the overall cost of the scissor lift is reduced. Design and fabrication of motorized screw jack for a four wheeler a project report submitted in partial fulfillment for the award of the degree of bachelor of.
X is the angle between any of the positively sloping scissor arms and the xaxis. 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. Mar 11, 2015 more powerful jacks use hydraulic power to provide more lift over greater distance. Moving further there were two options available design a scissor jack form the ground up or to retrofit existing jacks with.
Dims specs of which i must design to are as follows. Scissor jack design project free download as word doc. 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 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. After successfully completing this project, the lift will be very valuable for dr. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. In addition, a scissor lift is suitable for use in situations, where movement of other types of lifts is limited. They are light in weight and the cost of the scissor jack is reasonably small and scissor jacks are easy to store and easy to operate at any time and any place in the different environment condition. With numerous benefits, it is tagged as one of the popular equipment used. Priyanka, design and fabrication of motorized screw jack for four wheeler, a project report, department of mechanical engineering, gokaraju rangaraju institute of engineering. Project of a scissor lift platform and concept of an. Applications of hydraulic scissor lift a scissor life table has many useful purposes. Scissor lift tables can help you in any renovation or remodel.
That is, the linear speed is 375 mm per min at 1500 rpm. Despite this, it is possible to move it horizontally. Also i think your design is much better then the others ive seen. The power screw mechanism included in a scissor jack is design to lower the amount of force needed to lift the heavy loads. Design and analysis of scissor jack full report download. Introduction a scissor lift is used to move cargo vertically. How to make your own small scissor lift jack step by step with plans duration. This article contain list of projects for mechanical engineering students related to project report download, final year pdf report download, sample mechanical projects report download this list contain projects which are helpful for b. In this paper, a unique design of scissor jack is compile to lift low as well as heavy. To design a power scissor jack which is safe and reliable to.
Design and standardization of scissor jack to avoid field failure. It is also found that weight of the present lift is. Pdf modified screw jack for lifting operation in industrial. Developmentleducation command quantico, va 224 0603635m ch58 dn308 274 11.
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. The project outcome will be a redesigned product, built specifically to the customer. Click on the link below to download the corresponding mambo files. Below are analyses two other car jacks that are similar to the jack i wish to design. Design and construction of a remote control car jack c. An object lifting jack is an example of a power screw in which a small force applied in a horizontal plane is used to raise or lower a large load. This scissor lift can be close up to 150mm when it is closed. A mechanical jack is a device which lifts heavy equipment. The purpose of this project is to develop a car jack which is easy to be operated, safe and able lift and lowering the car without involving much physical effort. Design and analysis of hydraulic scissor lift by fea.
Working principle and all the required information on scissor jack can be found in this report. As a lifting force is used electrohydraulic mechanism for driving a pair of scissors in motion 20. This device is designed to sustain the following loads at these specified heights. In this paper, a unique design of scissor jack is compile to lift low as well as heavy load with different conditions. 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. This project describes the design as well as analysis of a mechanical scissor lift which works on the principle of screw jack. Scissor jacks are simple mechanisms used to drive large loads short distances.
Scissor lift jack equations and loading calculator. In this pneumatic scissor lift jack project, when the pressurized air is applied to the pneumatic cylinder, it will move the cylinder piston. It is useful for allowing people to reach higher areas of a building. Aug 28, 2014 how to make your own small scissor lift jack step by step with plans duration. Most scissor jacks are similar in design, consisting of four main members driven by a power screw. Car jacks usually use toggle advantage to allow a human to lift a vehicle by manual force alone. Some scissor lift tables are used as weight platforms to weigh machinery and other mechanisms. 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 to appreciable height, and.
Catia is used to develop and analyzed the scissor jack. Jacks employ a screw thread or hydraulic cylinder to apply very high linear forces. This paper relates to design modification and failure analysis of crankoperated scissor jack which is generally used for lifting light motor vehicles l. This capability makes this type of lift particularly versatile and. The prototype includes motor powered from a 12v battery of a tractor through a car adapter or.
In the case of a scissor jack, a small force applied in the horizontal plane is used to raise or lower large load. Post a new thread thread subject please type your request about mechanical scissor jack design project pdf0 cbsemechanical scissor jack design project pdf in this blank text editor available at right side and save by clicking post thread button available at this page bottom side request example. The most common form is a car jack, floor jack or garage jack which lifts vehicles so that maintenance can be performed. A scissor jack is the most common type of jack which may have encountered as there jacks comes along with cars. In this report, a unique design of a scissor jack is proposed which is very easy to manufacture. Design and fabrication of mechanical lift for transportation. A special lifting platform is driven by a simple metal structure with levers that look like scissors connected with others in a long chain. To design a power scissor jack which is safe and reliable to raise and lower the load easily. Conclusion the paper will include a scissor jack of automobile l. This paper discussed the design and analysis of modified car jack.
Speed of travel gear ratio l low speed worm gear screw jacks with trapezoidal screw produce an advance of 0. The objectives are to design a car jack that is safe, reliable and able to raise and lower the level, to develop a car jack that is powered by internal car power and automated with button system. For a scissor lift that has straight, equallength arms, i. Scissor jack a scissor jack is operated by turning a lead screw. Discussion all the studies that i have completed in this project are showing 28 5. There are scissor jacks, common in newer cars and bumper jacks common in older cars. A scissor jack is mechanical equipment used to lift up heavy loads. Use the lift as a deck extension during a major renovation or project. No tools required, no loose components or separate parts. Design and construction of a remote control car jack. Although i am making up the majority of them as i go along. Based on the testing and results from the analysis, it is considered safe to use jack car work under certain specifications. Lift platform, extendable cabin, structural project, oilhydraulic 1. Automatic scissor jack using car battery international journal of.
The others rise on 2 jacks one that support each side all the time. In conclusion, it is presented, at the end of this report, a lift platform that fulfill all the project specification stipulated. Pdf design and analysis of hydraulic scissor lift by fea. Hello everyone i am working on a design at the moment using inventor 2012. It is also known as a screw jack, and is commonly used as carjacks. Abstract a project work on design and fabrication of a remote controlled system for a hydraulic jack which consist of a base, gearing system and crank mechanism is presented. Pdf design and standardization of scissor jack to avoid field. In the case of a screw jack, a small force applied in the horizontal plane is used to raise or lower large load. Muraszko needs to be brought up to the level of her patients, because she is 48 tall and was born with spina bifida, which hinders her.1135 660 431 202 1571 365 1059 867 52 484 769 22 804 947 1513 494 1185 73 66 368 870 885 471 1001 1027 1111 1369 85 1396 1042 737 568 1004 34 398 1250 88 825