Actuator Scissor Lift Analysis
Abstract In this paper describes the design as well as analysis of actuator scissor lift. The scissor lift used to lift the body to appreciable height, and many other applications also such lifts can be used for various purposes like maintenance and many material handling operations. It can be of mechanical, pneumatic or hydraulic type. The Nurnberg scissors” type load lifting mechanisms are produced abroad. But such load lifting platforms are very dangerous and might overturn since equipments’ stiffness is low. Also these load lifting platforms are very heavy so design described in the paper is developed keeping in mind that the lift can be operated by mechanical means by using actuator so that the overall cost of the scissor lift is reduced. …show more content…
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, Scissor lift design is used because of its ergonomics as compared to other heavy lifting devices available in the market. Scissor lifts typically operate in two axis of movement and are designed for applications where people and material need only up and down travel (stationary lift), where the lift needs to be moved around to perform work (manually positioned lift), or to access work along a fixed area of travel (rail guided lift). Utilized in applications from wash, prep and paint, to metal blasting, welding, and assembly; scissor lifts offer a safer, more ergonomic and cost effective solution for positioning workers. Systems utilize actuator power units for hazardous areas such as paint …show more content…
= 1040.86 N ≈ 1041 N From free body diagram, R1=R2 =1041 N Bending moment equation, M/I=σ/y=E/R M=F1*(L-d) =736*(610-25) = 430560 N-mm I = B/12* D^3 - b/12* d^3 =30/12* 〖60〗^3 - 27/12* 〖57〗^3 = 540000-416684.25 = 123315.75 〖mm〗^4 According to bending moment equation, M/I=σ/y=E/R σ=M*y/I (y/I=Z=section
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