Abstract
The paper presents the boundary problem of the stability of a telescopic hydraulic cylinder subjected to a generalized load with a force directed to the positive pole. The boundary problem was formulated on the basis of the Hamilton principle. Numerical calculations were carried out, taking into account the influence of the parameters of the load heads (radii of loading and receiving head, length of bolt). On the basis of the numerical calculations, regions of load heads parameters were presented, at which the load bearing capacity of the analysed telescopic hydraulic cylinder is the largest from the buckling standpoint.
Highlights
Hydraulic cylinders are certain types of engines in which the energy of the hydraulic fluid is converted into the mechanical energy of the translational movement
Based on the results presented in fig. 2-3, it was noticed that the ratio of the radius of the receiving head to the radius of the head inducing the load of the system has a significant impact on the critical load
This paper presents the stability problem of a telescopic hydraulic cylinder subjected to a generalized load with a force directed towards to the positive pole
Summary
Hydraulic cylinders are certain types of engines in which the energy of the hydraulic fluid is converted into the mechanical energy of the translational movement. The results of numerical calculations and experimental tests related to the stability of a single-stage hydraulic cylinder are presented in [2]. Paper [3] presents a theoretical model of a single-stage hydraulic cylinder, taking into account a number of parameters affecting its stability. The stability and effort of cylinder material of a single-stage hydraulic cylinder was the subject of work [5]. The flexural rigidity asymmetry factor was defined, and the regions of this parameter were presented with reference to the cylinder and piston rod of the actuator, in which the system is damaged as a result of buckling and effort of the cylinder material. The stability of the hydraulic telescopic cylinder subjected to Euler’s load was considered in works [9, 10]. The case of this load is considered via circular elements
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