JERAJournal of Electronic Research and Application2208-35022208-3510Bio-Byword Scientific Publishing Pty. Ltd.10.26689/jera.v10i7.15828ArticleSimulation Study on the Crashworthiness of a Bridge Crane Anti-Collision Mechanismhttps://artdesignp.com/journal/JERA/10/7/10.26689/jera.v10i7.15828YanWenzhe,YanYufei,MaSiqun20261072026-08-11A bridge-crane trolley may strike the end anti-collision device after overtravel, braking failure, or control delay; therefore, the collision resistance of the device directly affects operational safety. In this study, a shell-based finite-element model of a bridge-crane anti-collision mechanism was developed in HyperMesh, and explicit impact simulations were conducted in LS-DYNA at trolley speeds of 25 and 35 m/min. Each simulation covered 80 ms, and sliding energy, hourglass energy, added mass, stress, and displacement were examined. The sliding- and hourglass-energy ratios remained below 5%, and the added mass stayed below 1% in both cases. At 25 m/min, the maximum von Mises stress was 342.294 MPa, slightly below the 345 MPa yield strength of Q345 steel. At 35 m/min, the maximum stress increased to 429.190 MPa and exceeded the yield strength. These findings provide a basis for strength verification, end-zone speed limitation, and structural improvement of bridge-crane anti-collision mechanisms.

Wang J, Qiang B, He Z, et al., 2019, Sliding Mode Control for Overhead Crane System Based on an Improved Nonlinear Reaching Law. Journal of Ordnance Equipment Engineering, 40(7): 148–152 + 175.

Jiao H, Zhou Q, Li Y, et al., 2015, Structural Model Test of Lightweight Girder of Bridge Crane. Journal of Mechanical Engineering, 51(23): 168–174.

Zhao S, Lin F, Li Y, 2014, Collision-Energy Attenuation Characteristics of an Automotive Energy-Absorbing Bumper. Noise and Vibration Control, 34(6): 102–106.

Belytschko T, Ong J, Liu W, et al., 1984, Hourglass Control in Linear and Nonlinear Problems. Computer Methods in Applied Mechanics and Engineering, 43(3): 251–276.

Hambali A, Sapuan S, Ismail N, et al., 2010, Material Selection of Polymeric Composite Automotive Bumper Beam Using Analytical Hierarchy Process. Journal of Central South University of Technology, 17(2): 244–256.

Olovsson L, Simonsson K, Unosson M, 2005, Selective Mass Scaling for Explicit Finite Element Analyses. International Journal for Numerical Methods in Engineering, 63(10): 1436–1445.

Hu Y, Liu C, Zhang J, et al., 2015, Research on Carbon Fiber-Reinforced Plastic Bumper Beam Subjected to Low-Velocity Frontal Impact. Advances in Mechanical Engineering, 7(6): 1687814015589458.

Marzbanrad J, Alijanpour M, Kiasat M, 2009, Design and Analysis of an Automotive Bumper Beam in Low-Speed Frontal Crashes. Thin-Walled Structures, 47(8–9): 902–911.

Tarlochan F, Samer F, Hamouda A, et al., 2013, Design of Thin Wall Structures for Energy Absorption Applications: Enhancement of Crashworthiness Due to Axial and Oblique Impact Forces. Thin-Walled Structures, 71: 7–17.

Belingardi G, Beyene A, Koricho E, et al., 2015, Alternative Lightweight Materials and Component Manufacturing Technologies for Vehicle Frontal Bumper Beam. Composite Structures, 120: 483–495.