- Corpus ID: 230798418
Review on Hydraulic Scissor Lift
- Suhas B. Bhalake , Amit Gade , +2 authors RishikeshDhamane
- Published 2020
- Engineering
One Citation
Investigation on design, analysis and topological optimization of hydraulic scissor lift, 10 references, design, analysis and manufacturing of double scissors lift elevated by one hydraulic cylinder, design of hydraulic scissors lifting platform, related papers.
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scissor jack
design of scissor jack
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Opeyemi Osho
this project is known for the elevation of a working platform by hydraulic cylinders,
Nikhil Prajapati
IJIRST - International Journal for Innovative Research in Science and Technology
Now a days with the increasing levels of technology, the efforts being put to produce any kind of work has been continuously decreasing. The efforts required in achieving the desired output can be effectively and economically be decreased by the implementation of better designs. These Power screws are used to converting rotary motion into translatory motion. A screw 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. The principle on which it works is similar to that of an inclined plane. The mechanical advantage of a screw jack is the ratio of the load applied to the effort applied. The screw jack is operated by turning a lead screw. The height of the jack is adjusted by moving a lead screw and this adjustment can be done either manually or by integrating an electric motor. In present days the two wheeler mechanic are not using lifting platform due to its heavy cost and their maintenance. Because of continuously bending of mechanic body during the repair and maintenance of two wheeler there are many health related problems are arising, also more stress and efforts are required. Limiting Deflection in Scissor Lift: Selecting lift with design capacity greater than required for the application; most scissor lift design for duty at higher capacities will experience less stress in all structural components as well as lower system pressures, at lower, working capacities. Reduced stresses and pressure always result in reduced deflection. Avoid transfer of load within the first 20% of lift travel: To minimize stress and deflection, at transfer elevations, it is critical to design the conveyor or transfer system to ensure that these elevations are above the scissor lift's " critical zone " of the first 20%of the lift available travel. Transfer load over fixed end of the lift platform: First if possible, load should not be transfer over the sides of a raised scissor lift is much more difficult to control deflection when the load is not shared equally between the two scissor legs pairs. Available Scissor Lift: 1) Hydraulic lifting platform. 2) Electric lifting platform.
praveen dehari
IRJET Journal
- A hydraulic pallet lift is a mechanical device used for various applications for lifting of the loads to a height or level. A lift table is defined as a scissor lift used to stack, raise or lower, convey and/or transfer material between two or more elevations. The main objective of the devices used for lifting purposes is to make the table adjustable to a desired height. A scissor lift provides most economic dependable & versatile methods of lifting loads; it has few moving parts which may only require lubrication. This lift table raises load smoothly to any desired height. The scissor lift can be used in combination with any of applications such as pneumatic, hydraulic, mechanical, etc. Lift tables may incorporate rotating platforms (manual or powered); tilt platforms, etc, as a part of the design. Scissor lift design is used because of its ergonomics as compared to other heavy lifting devices available in the market. The frame is very sturdy & strong enough with increase in structural integrity. A multiple height scissor lift is made up of two or more leg sets. As per the discussion with the concern person of DS Engineering, Pune, It is found that they are facing some problems regarding hydraulic scissor lift like job to be lifted are heavier which causes more deformations in hydraulic lift frame checking deformations & stresses induced in it is a major objective of this project. It is also found that weight of the present lift is high weight optimization is also prime objective of this project. As loading & unloading is repeated there may be chances of fatigue failure, to check the life of lift. Design & Analysis of the Hydraulic lift that should with stand maximum load without failure in working conditions. To check vibration of hydraulic lift during working time by modal analysis
RAVIKANT NANWATKAR , Prof. R. K. Nanwatkar
Lift is a simple mechanical device used to raise element or object from ground level to a certain height to perform a specific work with maximum load and minimum efforts. This project describes the design as well as analysis of a mechanical scissor lift which works on the principle of screw jack. 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. Also such design can make the lift more compact and much suitable for medium scale work. 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 many other applications. But in this case along with lifting a vehicle we are also going to make an effort to move the vehicle to a short distance by incorporating roller mechanism. Finally, the analysis will be carried out in order to check the compatibility of the design values.
Teo Lee Hong
abateneh wubale
cherkos welegebrial
The foremost aim of our project is to design and fabricate a hydraulic operated ladder for the purpose of material handling at required height at faster rate. As a ladder is a vertical or inclined set of rungs or steps where in hydraulic ladder, the hydraulic cylinder is used to lift the platform at a certain height. The construction of hydraulic ladder is same as like a scissor in which, when a hydraulic cylinder pull one of the link of ladder it will lift the platform to a certain height with weight lifting capacity of about 100 to 200 kg. This hydraulic ladder is having more features like accident precaution equipments, rolling wheels and possibly the remote control automated moving mechanism. We expect this new approach to dramatically reduce the cost of hydraulic ladder without any loss of quality, and hence make mass production viable.
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A scissor jack is operated simply by turning a small crank that is inserted into one end of the scissor jack. This crank is usually "Z" shaped. The end fits into a ring hole mounted on the end of the screw, which is the object of force on the scissor jack. When this crank is turned, the screw turns, and this raises the jack. The
The following paper describes the design as well as analysis of a hydraulic scissor lift having two levels. Conventionally a scissor lift or jack. is used for lifting a vehicle to change a tire ...
2 LITERATURE REVIEW In this section, the important terminologies in this proposed method are presented. a. Jack A mechanical jack is a device which lifts heavy equipment. The most common form is a car jack, floor jack or garage ... scissor jacks are oriented vertically and are used to create an aerial work platform, which raises vehicles high ...
The screw acts like a gear mechanism. It has teeth (the screw thread), which turn and move the two arms, producing work. Just by turning this screw thread, the scissor jack can lift a vehicle that is several thousand pounds. M OD ELLI N G Design of scissor jack is done with Pro-E and model assembly is shown in Figures 1 to 3.
Scissor or Toggle Jack A toggle or Scissor jack is a device which lifts heavy equipment. The most common form is a car jack, floor jack or garage jack which lifts vehicles so that maintenance can be performed. Car jacks usually use toggle advantage to allow a human to lift a vehicle by manual force alone. More powerful jacks use hydraulic power to
Literature Review GhangalePrashaletal., described the design and analysis of hydraulic scissor lift. Lift was needed to be ... 1.Scissor Arm: They are subjected to buckling and bending load which cause breaking of lift. The desired material properties are strength, stiffness, plasticity and hardness and thus Mild Steel is used. ...
Design of hydraulic scissors lifting platform. Aerial Working Platform is designed for the purpose of heavy loads. Gaffar G Momin (2014) Design, Analysis, Manufacturing of Hydraulic Scissor Lift. Uniform Scissor arm length is used. Motive drive is provided manually instead of electrical power.
Analysis o f Sc issor Jack" This paper uses the. traditional scissor jack a nd deals with removal of. perm ant welds a s chances of failure in that area is. more. These welds are replaced b y ...
4. LITERATURE REVIEW Gaffar G Momin, et al found that design as well as analysis of a hydraulic scissor lift. Conventionally a scissor lift or jack is employed for lifting a vehicle to change a tire, to gain access to travel to the underside of the vehicle, to lift the body of the vehicle to appropriate height, and lots of other
are and standardized by using MATLAB software. The design of scissor jack is modified based on hum. n factor considerations and its functionality. The different failure modes of scissor jack are analysed and redesign of scissor jack is made i. terms of cost and quality of the scissor jack. Inclined load inspection test and stability test.
platform is example of permanent lift and scissor jack, hoisting machinery are examples of portable lifts. II. LITERATURE REVIEW Scissor lift is multifunctional, efficient and economical material handling system widely used in industry. The research paper has provided design methodology of scissor lift.
Abstract The following paper describes the design, analysis and manufacturing of a hydraulic scissor lift having two levels elevated by one hydraulic cylinder. Scissor lifting machine is hydraulically operated with makes lifting simple by eluding bending onward to lift manually because the table is regulating to be lifted at a preferred height. There are predominantly hundreds of workers for ...
Scissor Jack Literature Review - Free download as PDF File (.pdf), Text File (.txt) or read online for free. scissor jack literature review
2.LITERATURE REVIEW Prushotam & Apsad Ali, done the work on, Design andAnalysis of Hydraulic Scissor Lift by Using ANSYS, this papermainly tells about force following up on the pressure drivenscissor lift when it is contracted and expanded. In most of the cases hydraulic lift is used to lift heavy objects like vehicle inautomobile industry. In
So that, this design is modified for the existing car jacks in terms of its functionality and human factor consideration. Keyword: - Scissor Jack, Standardize, MATLAB, Power Screw. 1. INTRODUCTION A scissor jack is a device which is used to lift heavy vehicles, partially or fully in the air for breakdown and maintenance.
Review on Hydraulic Scissor Lift. Lift may be a very simple device used to raise elements or objects or load from ground level to a specific height to perform a particular work with maximum load capacity and minimum efforts of a worker. To achieve this we required the higher strength material, hydraulic components such as hydraulic cylinder ...
The Scissor lifts are a type of mechanism that allows for vertical displacement of some load, thorough the use of linked and folding supports in a crisscross "X" pattern, referred to as a pantograph or simply a Scissor Mechanism. Scissor lifts are widely used in industrial applications and also a staple design element in competitive robotics.
scissor lift. 5. Scissor lifts does not require any large containment places, but instead can be stored in minimum areas. 6. Scissor lifts differ on the basis of power utilization, and are categorized into hydraulic, pneumatic or mechanical model depending upon the necessities. 7. While they vary in sizes, platform sizes, styles, heights and
In this work a power scissor jack to lift and support a load of 4.5KN for typical use in four wheelers has been designed and fabricated by selecting the most appropriate materials and cross ...
Figure 3.2 shows the actual model of electrically operated jack. The prototype is fabricated by making use of the jack and bus wiper motor brought from junk yard. Figure 3.2: Actual model of modified toggle jack. IV. MATERIAL SELECTION Scissor jacks are usually made of materials that are very strong and are suitable for withstanding heavy loads.
This is scissor jack designing project that shows the working principle, force analysis and designing of components of scissor jack 2017 mekelle university. ... Project Work - possible if it is also literature review Heavy equipment's and machines None. More from: Heavy equipment's and machines CENG6110. Mekelle University. 5 Documents.
A screw 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. The principle on which it works is similar to that of an inclined plane. The mechanical advantage of a screw jack is the ratio of the load applied to the effort applied. The screw jack is operated by turning a ...
A scissor jack has four main pieces of metal and two base ends. The four metal pieces are all connected at the corners with a bolt that allows the corners to swivel. A screw thread runs across this assembly and through the corners. When opened, the four metal arms contract together, coming together at the middle, raising the jack. Fig 2 Scissor ...