Bucket Wheel Excavators: Balancing and Dynamic Response of the Slewing Superstructure
Апстракт
A slewing superstructure (SS) represents a key functional subsystem of bucket wheel excavators (BWEs). Identification of its basic parameters of static stability (BPSS: weight and position of the center of gravity) is of equally crucial significance in design of a BWE and in its exploitation. The BPSS dominantly determine the static stability of a BWE SS and, coupled with stiffness, its
dynamic response. This paper presents the results of research on the impact of the difference between the experimentally and analytically determined SS BPSS on the: (1) intensities of forces in the ropes of the bucket wheel boom hoisting mechanism; (2) maximum loads of the SS radiaxial slew bearing balls; (3) dynamic response of the SS. The presented research represents the initial stage in forming of the integral methodology for the assessment of impact of the mentioned differences on the key indicators which determine the lifespan and integrity, as well as reliability and safety of the SS of BWEs and... related surface mining and material handling machines.
Кључне речи:
bucket wheel excavator / slewing superstructure / weighing / balancing / dynamic responseИзвор:
Proceedings of the fifth international conference “Mechanical Engineering in XXI Century” MASING 2020, 2020, 9-26Издавач:
- Faculty of Mechanical Engineering in Niš
Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200105 (Универзитет у Београду, Машински факултет) (RS-MESTD-inst-2020-200105)
Колекције
Институција/група
Mašinski fakultetTY - CONF AU - Bošnjak, Srđan AU - Gnjatović, Nebojša PY - 2020 UR - https://machinery.mas.bg.ac.rs/handle/123456789/4939 AB - A slewing superstructure (SS) represents a key functional subsystem of bucket wheel excavators (BWEs). Identification of its basic parameters of static stability (BPSS: weight and position of the center of gravity) is of equally crucial significance in design of a BWE and in its exploitation. The BPSS dominantly determine the static stability of a BWE SS and, coupled with stiffness, its dynamic response. This paper presents the results of research on the impact of the difference between the experimentally and analytically determined SS BPSS on the: (1) intensities of forces in the ropes of the bucket wheel boom hoisting mechanism; (2) maximum loads of the SS radiaxial slew bearing balls; (3) dynamic response of the SS. The presented research represents the initial stage in forming of the integral methodology for the assessment of impact of the mentioned differences on the key indicators which determine the lifespan and integrity, as well as reliability and safety of the SS of BWEs and related surface mining and material handling machines. PB - Faculty of Mechanical Engineering in Niš C3 - Proceedings of the fifth international conference “Mechanical Engineering in XXI Century” MASING 2020 T1 - Bucket Wheel Excavators: Balancing and Dynamic Response of the Slewing Superstructure EP - 26 SP - 9 UR - https://hdl.handle.net/21.15107/rcub_machinery_4939 ER -
@conference{ author = "Bošnjak, Srđan and Gnjatović, Nebojša", year = "2020", abstract = "A slewing superstructure (SS) represents a key functional subsystem of bucket wheel excavators (BWEs). Identification of its basic parameters of static stability (BPSS: weight and position of the center of gravity) is of equally crucial significance in design of a BWE and in its exploitation. The BPSS dominantly determine the static stability of a BWE SS and, coupled with stiffness, its dynamic response. This paper presents the results of research on the impact of the difference between the experimentally and analytically determined SS BPSS on the: (1) intensities of forces in the ropes of the bucket wheel boom hoisting mechanism; (2) maximum loads of the SS radiaxial slew bearing balls; (3) dynamic response of the SS. The presented research represents the initial stage in forming of the integral methodology for the assessment of impact of the mentioned differences on the key indicators which determine the lifespan and integrity, as well as reliability and safety of the SS of BWEs and related surface mining and material handling machines.", publisher = "Faculty of Mechanical Engineering in Niš", journal = "Proceedings of the fifth international conference “Mechanical Engineering in XXI Century” MASING 2020", title = "Bucket Wheel Excavators: Balancing and Dynamic Response of the Slewing Superstructure", pages = "26-9", url = "https://hdl.handle.net/21.15107/rcub_machinery_4939" }
Bošnjak, S.,& Gnjatović, N.. (2020). Bucket Wheel Excavators: Balancing and Dynamic Response of the Slewing Superstructure. in Proceedings of the fifth international conference “Mechanical Engineering in XXI Century” MASING 2020 Faculty of Mechanical Engineering in Niš., 9-26. https://hdl.handle.net/21.15107/rcub_machinery_4939
Bošnjak S, Gnjatović N. Bucket Wheel Excavators: Balancing and Dynamic Response of the Slewing Superstructure. in Proceedings of the fifth international conference “Mechanical Engineering in XXI Century” MASING 2020. 2020;:9-26. https://hdl.handle.net/21.15107/rcub_machinery_4939 .
Bošnjak, Srđan, Gnjatović, Nebojša, "Bucket Wheel Excavators: Balancing and Dynamic Response of the Slewing Superstructure" in Proceedings of the fifth international conference “Mechanical Engineering in XXI Century” MASING 2020 (2020):9-26, https://hdl.handle.net/21.15107/rcub_machinery_4939 .