Results 21 to 30 of about 17,282 (207)

Study on Wear Resistance of Polyurea Coating on Metal Structures of Lifting Machinery [PDF]

Cailiao Baohu, 2022
In view of the problem that the metal structures of lifting machinery are easy to be aged and worn in harsh environment， the effects of coating thickness and load on the wear resistance of the coating on the surface of metal structure of crane were ...
XIE Tengfei, MAO Jinrong, ZHOU Yeping
doaj   +1 more source

Yard Crane Rescheduling under the Influence of Random Fault

Machines, 2023
In the operation of the imported container area of the container yard, the fault of the yard crane often occurs, and the fault is random and unpredictable, which greatly affects the operational efficiency of the container yard.
Lin Yao, Hongxing Zheng, Yiran Liu, Danmeng Li, Yilan Zhao   +4 more
doaj   +1 more source

Calculation Improvement of Equivalent Power of Hydrostatic Drive for Crane Mechanisms [PDF]

Problems of the Regional Energetics, 2020
The aim of this study is to determine the analytic dependences of modifying the equivalent power of electric motors of hydrostatic drivers for different operation cycles of traveling and rotary mechanisms of lifting machines taking into account the power
Strizhak V., Anishchenko G., Strizhak M., Turchyn O., Masliennikov A.   +4 more
doaj   +1 more source

Rigid Dynamic Load of the Crane Lifting Mechanism When the Series Resistance Starts

Journal of Physics: Conference Series, 2020
AbstractWith the development of economy, industry and manufacturing industry play an important role in China’s economy. As the most extensive machinery in the industry and manufacturing industry, the development of crane will inevitably affect the development of the whole industry, so how to improve the performance of crane and how to carry out a wide ...
Zhiqiang Zhang, Haibin Jin, Xing Li, Jinjin Tian   +3 more
openaire   +1 more source

Dynamic weighted idle time heuristic for flowshop scheduling [PDF]

, 2015
The constructive heuristic of Nawaz, Enscore and Ham (NEH) has been introduced in 1983 to solve flowshop scheduling. Many researchers have continued to improve the NEH by adding new steps and procedures to the existing algorithm.
Ahmad, Abd Rahman, Ibrahim, Mohamud Ahmed, Ng , Kim Soon, Ng, Mei Xin Sirisa   +3 more
core   +1 more source

Analysis of dynamics of automobile cranes with the account of the rope elasticity

Vietnam Journal of Mechanics, 1998
Up to now, there is still a little of attention paid on the dynamical analysis of automobile crane system and only simple dynamical models are used for the related studies.
Phan Nguyen Di, Bui Khac Gay
doaj   +1 more source

A Structural Design of COVID-19 Patient Lifting Device Using Crane and Hydraulic Mechanism

Journal of Mechanical Design and Testing, 2021
COVID-19 has brought the mankind into the worst condition. The health care workers as the forefront player during this pandemic are psychology and physically exhausted. In 2021, the infected patient is decreasing in some countries, yet increasing in others.
Hardiyasanti, Dindamilenia Choirunnisa, Widianingrum, Sinta, Bestiara, Fini, Syaroh, Mei, Triawan, Farid   +4 more
openaire   +3 more sources

DETERMINATION OF THE STATE OF LIFTING MECHANISMS OF MOBILE CRANES ACCORDING TO THEIR TECHNICAL PARAMETERS

Municipal economy of cities, 2022
Mobile cranes with hydraulic drive refer to cyclic machines that are used to perform installation and other types of work. In accordance with the operating conditions of these cranes, the question arises about the effectiveness of their use in performing labor-intensive work.
M. Remarchuk, O. Kebko, O. Halytskyi, V. Rassokha   +3 more
openaire   +1 more source

A novel crane-like launch and recovery system for multiple USVs: mechanism design, control strategy, and experimental validation [PDF]

Mechanical Sciences
To enhance safety in offshore operations and minimize modifications to the mother ship, an autonomous crane-like launch and recovery (LAR) system is essential for deploying and retrieving uncrewed surface vehicles (USVs).
D.-J. Zhang, X.-H. Xiao, G. Li, C.-X. Li, Y. Yang   +4 more
doaj   +1 more source

Optimisation of Dynamic Loads of Rope Systems of Lifting Mechanisms of Bridge Cranes During Cargo Handling

Scientific Herald of Uzhhorod University Series Physics, 2022
Relevance. In this study, considerable attention is devoted to the analysis of dynamic loads that occur in the rope systems of lifting mechanisms of overhead cranes during start-up and braking, and the reduction of these loads.Purpose. To identify the magnitude and nature of changes in dynamic loads in the elements of lifting mechanisms of bridge ...
YUIRY CHOVNYUK, LIUBOV DIACHENKO, YEVHEN IVANOV, NATALIYA DICHEK, OLHA OREL   +4 more
openaire   +1 more source