The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be performed. This has been applied into a car with high torque so that able to lift more force 23. Their high reliability and synchronization makes screw jacks suitable for a wide variety of uses that alternative methods of handling cannot achieve. In this paper, a unique design of scissor jack is compile to lift low as well as heavy load. When this crank is turned, the screw turns, and this raises the 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. Scissor lifts, a staple of mechanical design, especially in competitive robotics, are a type of linkage that can be used to raise a load to some height, when acted upon by some force, usually exerted by an actuator. Musculoskeletal disorders can affect the bodys muscles, joints, tendond, ligament, and nerves. Design methodology of the main components of the bridge jack is explained below. My car requires a maintenance procedure that makes it necessary to raise the car off of the floor, but also to keep it level. The jack was built to a fairly simple design, the user rotates the crank arm which rotates the threaded rod, causing the arms to be pulled together raising the top of the jack and in turn the car. A mechanical jack employs a screw thread for lifting heavy equipment. Introduction the most basic scissor jack design is truly engineering at its finest. Most scissor jacks are similar in design, consists of four lifting arms, a base plate, a carrier plate, two connection members, eight connection pins, a power screw and a crank.
Design and standardization of scissor jack to avoid field failure c. A jack is a mechanical lifting device used to apply great forces or lift heavy loads. In this modified design, the power screw is rotated through its connecting. The disassembly gave us a good idea of what role each component plays and what effect they have on the complete device. This paper discussed the design and analysis of modified car jack. Design improvement of the existing car jack design 24 pages. Although mini jack are also produced, they are not a recognized standard type of floor jack. The car is represented by a onemass flat design model. 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. Modelling design of scissor jack is done with proe and model assembly is shown in figures 1 to 3. Abstract car jacks usually use mechanical advantage to allow a human to lift a vehicle by. Design of the toggle jack free download as word doc. Mar 11, 2015 the completed solidworks design of the scissor jack and its members shown in figure 2.
I made a set of jack stands to support the rear of the car at just the right. C construction machinery proper mixing of raw material for concrete is major problem. Pdf design and standardization of scissor jack to avoid field. Car jacks use mechanical advantage to allow us to lift a vehicle by manual force alone. Activate the hazard warning flasher, turn off ignition, set parking brake, move automatic transmission to park position. Based on the testing and results from the analysis, it is considered safe to use jack car work under certain specifications. 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. Design of hydraulic scissors lifting platform, 41 pages. The most common form is a car jack, floor jack or garage jack, which. Very common throughout the world, screw jacks are found wherever there is a need to lift, position, align and hold load. Pdf on jan 1, 2008, m m noor and others published development of auto car jack using internal car power find, read and cite all the. In the case of a screw jack, a small force applied in the horizontal plane is used to raise or lower large load. Karin muraszko, of the university of michigans neurosurgery department. Sep 08, 2015 design and fabrication of a power scissor jack 1.
Pdf development of auto car jack using internal car power. The jack is designed to support 25% of the weight of small passenger cars weighing up to 1200 kg. 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. Jacks employ a screw thread or hydraulic cylinder to apply very high linear forces. Of the screwtype mechanisms, there are scissor jacks, common in newer cars, and bumper jacks, common in older cars. Jme 4110 mechanical car jack open scholarship washington. A screw jack is a device used for lifting heavy weights or loads with the help of a small effort applied at its handle. The original jack is about four feet long, a foot wide, and weights around 200 poundsthey can lift 410 tons. Car jack design and analysis 2 introduction problem setting a car jack is a device that is mechanically used to lift the heavier loads that is used in applying the loads with greater forces. C construction machinery is very widely used, but in any r. The completed solidworks design of the scissor jack and its members shown in figure 2. Design improvement of the existing car jack design 24. Mar 12, 2006 our free project reprints cover farm machines, the woodshop, machine shop, boats, archery and more.
Car jack design and analysis running head car jack. Design details of jack the total height of the screw jack 276 mm. Car jack cad design the objective of this project was to design and assemble a scissortype car jack, and to create a full set of 2d drawings. A mechanical jack is a device which lifts heavy equipment. Mechanical jacks, such as car jacks and house jacks, lift heavy equipmentand are rated based on lifting capacity for example, the number of tons they can lift. The position of this actuator, however, can affect the mechanical advantage and velocity ratio of. The transient response of a truck with a step control action on the steering studies in the paper. Jacks employ a screw thread or hydraulic cylinder to apply linear forces. So that, this design is modified for the existing car jacks in terms of its functionality and human factor consideration.
May 07, 2016 in this tutorial video i will show you how to design and assemble a car jack in solidworks. The operation of a scissor jack starts by using a z shaped crank that is. 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. The power screw mechanism included in a scissor jack is design to lower the amount of force needed to lift the heavy loads. A scissor jack is mechanical equipment used to lift up. The deformation of the screw jack in y direction 2. This project is about the designing and fabricating the car jack. 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. To design a power scissor jack which is safe and reliable to.
At the same time, the accessory power line, which is at 12v when ignition switch is turned on, connects to input pin 1 of gate n2 through diode d3. Solidworks tutorial design and assembly of car jack in. Automatic scissor jack using car battery international journal of. The types of car jack that we were used in this project were hydraulic car jack as it is more reliable and easy to operate. Modification of the existing design of a car jack citeseerx. In addition, the wheel diagonally opposite from the wheel being. Design, development and analysis of electrically operated. Our free project reprints cover farm machines, the woodshop, machine shop, boats, archery and more. Now a day, infrastructure development is very fast growing, for that the use of r. The scope of the project is the students have to design a car jack with the ergonomics design based on the human body. The line connecting the door switch to the lamp is at 12v when the door is closed and at zero when any door is open.
Designing a car jack i have been set a design project in which i am to design a car jack. A jack is a mechanical device used as a lifting device to lift heavy loads or apply great forces. Manufacturing and fabrication work have been done using milling, drilling, grinding and threading machines. A jackscrew is a type of jack which is operated by turning a lead screw. Design and standardization of scissor jack to avoid field. 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.
The end fits into a ring hole mounted on the end of the screw, which is the object of force on the scissor jack. Logic signal from the dome light is fed through diode d2 to pins 12 and of gate n1, which inverts it to drive pin 2 of gate n 2. Design and analysis of scissor jack full report download. Design, construction and evaluation of an automotive. A screwjack is a device used for lifting heavy weights or loads with the help of a small effort applied at its handle. Components of the bridge jack requiring special attention were the top sliders and the pins the hydraulic cylinder acts on. Stages involved in the assembly of the jack are as demonstrated in the diagrams below. Vehicle mounted pneumatic car jack by f aizan nasir submitted to the mechanical engineering technology department in partial fulfillment of the requirements for the degree of. The operation of a scissor jack starts by using a z shaped crank that is mounted to a small hole on the mechanism. Hydraulic jacktend to be stronger and can lift heavier loads higher, and include. In case of manual transmission, put it in reverse gear if car is facing downhill and lowest gear if car is facing uphill. A scissor jack is operated simply by turning a small crank that is inserted into one end of the scissor jack. More powerful jacks utilize the hydraulic power to lift to greater distances. 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 prototype includes motor powered from a 12v battery of a tractor through a car adapter or from a lighter adapter in vehicles. Figure 1 shows the design of automatic car jacker where. Improvement of car jack was powered by power of internal car and powered automatically. Explore mechanical projects pdf mechanical projects topics, s of mechanical engineering projects, mini final year automobile projects, major mechanical thesis ideas, dissertation, automobile engineering, production, mechantronics, cad cam, proe, robotics, anysys project topics or ideas, base paper, reports, synopsis, abstracts, figures, construction and working pdf, doc and ppt for. Our design of the car jack will be implementing an electric motor that will operate the lead. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Discussion all the studies that i have completed in this project are showing 28 5. The position of this actuator, however, can affect the mechanical advantage and velocity ratio of the system. Below are analyses two other car jacks that are similar to the jack i wish to design.
A scissors jack lifts heavy equipment which is an advantage mechanically. Design began by working with a solidworks model to pinpoint weak spots in the design. The design of this car jack is being developed in solid works 2010 software. A weight of 600 kg exerts on each wheel and the maximum load. A scissor jack is mechanical equipment used to lift up heavy loads. They represent the two primary models of scissor jacks available. The purpose of this senior design project is to counter the safety hazards and physical. In order to develop new concept of the car jack design, we do some research on by giving questionnaire to car user.
Car jack ullia screw jack is a device by which the heavy load can be. A more compact model was later made, which is about three feet in length, and can lift 112 tons. The goal of the study is to design the hydraulic scissors lift to lift up to a height. It is also known as a screw jack, and is commonly used as carjacks. These vintage plans come from a halfcentury ago when doityourself enthusiasts turned wood, metal and old motors into useful workhorses, functional tools, and toys. Design and construction of a remote control car jack. The prototype includes motor powered from a 12v battery of a tractor through a car adapter or. C a is modeled for the jack stand flat on the ground and b. Design methodology of the main components of the bridge jack is. It is also known as a screw jack, and is commonly used as car jacks.