RESEARCH OF THE FORCE VALUES DEPENDENCES IN HYDRO CYLINDERS OF THE MOBILE ELEVATING WORK PLATFORM ARTICULATED BOOM ON THE WORK POSITION AND LOAD WEIGHT

Abstract

The most common construction type of the mobile elevating work platform articulated boom with three segments has been analyzed in this paper. With some approximations taken, the paper gives a model for calculating the load transmission to the support on the vehicle chassis. Analytical dependences between force values in hydro cylinders and boom joints angles and geometric parameters of the boom sections and load weight were obtained. These dependences can be used as basis for design and optimization of the hydraulic installation parameters and hydraulic component selection. On the other hand, obtained functions enable adjustment of the geometric parameters of the boom and hydro cylinders anchor points in order to meet the requirements of the adopted hydraulic components.