Academic literature on the topic 'Climbing crane'

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Journal articles on the topic "Climbing crane"

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Li, Bin, Xin Tao, Yan Zhang, and Li Ze Xu. "Research of Loads State of the Upper Part of the Tower Crane Based on Guide Wheel Pressure of Climbing Frame." Advanced Materials Research 791-793 (September 2013): 599–602. http://dx.doi.org/10.4028/www.scientific.net/amr.791-793.599.

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The force of tower crane is extremely complex when climbing, and climbing frame is the key to structure loaded by forces of climbing working condition, which supports all loads of the upper part of the tower crane when climbing. The guide wheels are arranged on climbing frame, and play the guiding role between climbing frame and tower body. The guide wheel pressure can reflect the upper horizontal loads and unbalanced moment, and climbing press reflects the upper vertical loads. This article is based on the climbing press and guide wheel pressure to analyze loads state of the upper part of the tower crane when climbing, ensure the upper load values in a safe range when the tower crane climbing.
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Zhu, Chun Xia, Sheng Qing Gu, and Jiu Fu Jin. "Research on Design of Inner-Climbing Tower Crane Supporting System." Applied Mechanics and Materials 328 (June 2013): 338–42. http://dx.doi.org/10.4028/www.scientific.net/amm.328.338.

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Safety is essential for tower cranes in construction engineering, as the inner-climbing tower crane is widely used in the construction of high-rise structures, design safety, reliability and support system which can be turnover is an important prerequisite for protecting the safety of construction. By understanding the interrelationships between construction environment of Henglong Plaza Twin Towers in Shenyang city and ZSL2700 tower, the article will analyse the support system for the project. It mainly uses finite element analysis software ANSYS which can create mechanical status of modeling to analyzing the supporting structure. It can guarantee the structures rationality and the security reliability. Project Summary Shenyang municipal government square tower engineering which building height is 350.6m has the underground layer 4 and the ground 70 layer. The office building has used the frame core tube structure system. The outside frame is composed by the square shape section coagulation earth pyramid and the peripheral steel girder. The rectangular core tube was the reinforced concrete, while in the core tube outer wall has established some steel pole. This project adopt two boom tower cranes from Zhongsheng construct machine company (Nanjing).The first number tower crane is ZSL750, which maximum torque is 750tm; the second number tower cranes is ZSL2700. This paper takes the ZSL2700 tower crane as an object, studying this machines stressful condition of attachment system. The ZSL2700 tower cranes most high-torque is 2600tm, pitching arm angle ranges 85-65 .The maximum lifting load is 100t. The biggest hoisting up scope is 55m, which lifting load is 37.6t.When the crane surpasses the permission lifting load or the hoisting up moment of force, PLC can break the power implementation protection automatically. The tower machine need carry on 19 climbs in the construction process. Fig. 1 Two tower crane installation location diagram
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Sun, Jia, Ke Zhang, and Yu Hou Wu. "Structure Optimum Design Based on Maintenance and Lifting Equipment for Wind Turbine." Applied Mechanics and Materials 684 (October 2014): 273–78. http://dx.doi.org/10.4028/www.scientific.net/amm.684.273.

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To meet the urgent demand of maintenance and lifting equipment for wind turbine, combined with designation demand, two kinds of primary structure of the maintenance and lifting equipment has been proposed, analyzed and compared. By means of the Solid Works software the initial design on the two kind of the machine, the self-climbing crane and the trailed hoisting platform, have been conducted, the static analysis has been performed based on the mechanics model, and the advantages and disadvantages of these methods have been pointed out and compared in the paper. Compared with the self-climbing crane, the mechanical structure of the trailed hoisting platform is simpler, the control system presented more reliable, simple, easier realized etc, and the cost is lower. The self-climbing crane is high-automatic, but the design of crane high in the free degree and high in difficulty, and the climbing force focused on the wind turbine tower is too large. Conclusion The trailed hoisting platform is determined as the main design method to design the maintenance and lifting equipment for wind turbine.
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Li, Bin, Yun Hui Deng, and Xin Tian. "Study on the Influence of Different Strut and Beam’s Stiffness on the Horizontal Force of the Tower Crane Supporting Structure." Advanced Materials Research 1025-1026 (September 2014): 1014–19. http://dx.doi.org/10.4028/www.scientific.net/amr.1025-1026.1014.

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Inner climbing tower crane supporting system itself is statically indeterminate structure. This paper would use the force method of structural mechanics to solve this kind of statically indeterminate problem. Through the MATLAB software, it can get the horizontal counterforce of the inner climbing tower crane supporting system diagram which about the cross sectional area of strut and moment of inertia of beam.
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Jiang, Ling, Tingsheng Zhao, Wei Zhang, and Junjie Hu. "System Hazard Analysis of Tower Crane in Different Phases on Construction Site." Advances in Civil Engineering 2021 (July 8, 2021): 1–16. http://dx.doi.org/10.1155/2021/7026789.

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Tower crane accidents frequently occur in the construction industry, often resulting in casualties. The utilization of tower cranes involves multiple phases including installation, usage, climbing, and dismantling. Moreover, the hazards associated with the use of tower cranes can change and be propagated during phase alternation. However, past studies have paid less attention to the differences and hazard propagations between phases. In this research, these hazards are investigated during different construction phases. The propagation of hazards between phases is analyzed to develop appropriate safety management protocols according to each specific phase. Finally, measures are suggested to avoid an adverse impact between the phases. A combined method is also proposed to identify hazard propagation, which serves as a reference and contributes to safety management and accident prevention during different tower crane phases in the construction process.
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Shen, Guo Min, Dong Bo Li, Zhen Yang, and Xiang Dong Li. "Research on Arch Curve of Bridge Crane Girder Based on Hyperworks." Advanced Materials Research 320 (August 2011): 382–87. http://dx.doi.org/10.4028/www.scientific.net/amr.320.382.

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To decrease the energy loss when the crane dolly climbing and smooth its move track, the arch curves of girder were studied. Geometric model of the structure was simplified reasonably according to crane bridge structure characteristic, and the finite element models of the girder with different arch curves were established. The downwarping values of the girder with different arch curves under the rated load were obtained by simulation analysis, and further the move track of the crane dolly could be drawn. Also, the advantages and disadvantages of the arch curves were discussed. Taking maximum smoothness of the move track of the crane dolly as research object, a better arch curve was obtained by shape optimization. The research can provide a basis and reference for the arch curve design of the crane girders.
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Lv, Qiong Ying, Yu Shi Mei, and Xi Jia Tao. "Design of a Magnetic Wall-Climbing Car." Applied Mechanics and Materials 526 (February 2014): 211–16. http://dx.doi.org/10.4028/www.scientific.net/amm.526.211.

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As the trend of large-scale wind Power, People pay more attention to wind energy, which as a clean, renewable energy. Traditional unarmed climbing and crane lifting has been unable to meet the requirements of the equipment maintenance. Magnetic climb car can automatically crawl along the wall of the steel tower, the maintenance equipment and personnel can be sent to any height of the tower. The quality of the magnetic wall-climbing car is 550kg, which can carry 1.3 tons load. In this paper completed the magnetic wall-climbing car design and modeling, mechanical analysis in static and dynamic, obtained with the air gap and Magnetic Force curves. The application shows that the magnetic wall-climbing car meets the reliable adsorption, heavy-duty operation, simple operation etc..
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Morita, K., T. Kai, T. Hara, and H. Nishimura. "Construction Method of Climbing Tower Crane for Highrise R/C Buildings." Concrete Journal 39, no. 12 (2001): 8–15. http://dx.doi.org/10.3151/coj1975.39.12_8.

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Yifei, Tong, Tang Zhaohui, Mei Song, Shen Guomin, and Gu Feng. "Research on Energy-Saving Design of Overhead Travelling Crane Camber Based on Probability Load Distribution." Mathematical Problems in Engineering 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/484635.

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Crane is a mechanical device, used widely to move materials in modern production. It is reported that the energy consumptions of China are at least 5–8 times of other developing countries. Thus, energy consumption becomes an unavoidable topic. There are several reasons influencing the energy loss, and the camber of the girder is the one not to be neglected. In this paper, the problem of the deflections induced by the moving payload in the girder of overhead travelling crane is examined. The evaluation of a camber giving a counterdeflection of the girder is proposed in order to get minimum energy consumptions for trolley to move along a nonstraight support. To this aim, probabilistic payload distributions are considered instead of fixed or rated loads involved in other researches. Taking 50/10 t bridge crane as a research object, the probability loads are determined by analysis of load distribution density functions. According to load distribution, camber design under different probability loads is discussed in detail as well as energy consumptions distribution. The research results provide the design reference of reasonable camber to obtain the least energy consumption for climbing corresponding to differentP0; thus energy-saving design can be achieved.
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Guang, Ming, Hong Sheng Li, and Hua Guo Yang. "New Technology of Installing the Attached Self-Climbing Tower Steel Gantry Cranes." Applied Mechanics and Materials 484-485 (January 2014): 245–53. http://dx.doi.org/10.4028/www.scientific.net/amm.484-485.245.

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The Liujiaxia Bridge is 536 m span steel truss stiffening Girder Bridge, tower with double-column steel concrete structure, which is the world's largest diameter, the largest steel plate thickness of concrete pylon. Sarasota manufactured using standard pipe segment, group fight scene segment piecewise hoisting tower segment perfusion within the micro-expansion concrete construction technology, tower maximum height of 61.5 meters. This paper describes a piecewise Sarasota steel installation, piecewise perfusion within the micro-expansion concrete tower new construction method - attached to a self-climbing tower bridge gantry crane mounted pylon construction technology of large steel components. Of the "entity attached to the pylon installation of equipment by section climb" design, composition and construction applications are described in detail.
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Dissertations / Theses on the topic "Climbing crane"

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Hrubá, Denisa. "Výšková budova AZ Tower - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227005.

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This master´s thesis is dealing with selected part of the construction technology project of the high-rise building AZ Tower. The main content becomes the realization of supporting gross upper structure. It compiles in detail the most optimal proposal of technological processes, working machines, schedule, control and test plan, occupational safety, environment protection, construction site equipment and last but not least, the coordination of four tower cranes. Apart from the architectural and technically impressive draft of the Czech Republic tallest building it will be interesting to deal with progress of the whole construction. New technologies and elementary construction activities adapting to work at extreme altitudes will be used.
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Wei-CheLi and 李維哲. "The BIM-based Hazard Identification Assistance System for Tower Crane Climbing Operation." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/vt3vnq.

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Book chapters on the topic "Climbing crane"

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Bisht, Ravindra S., S. K. Panigrahi, Dinesh Kumar, Narendra Kumar, Pawan Kumar, Syed Saif Ali, Sameer, and Ajay Chourasia. "Dynamic Analysis of Mini Climbing Crane." In Lecture Notes in Mechanical Engineering, 259–69. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0287-3_19.

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Conference papers on the topic "Climbing crane"

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ALGAZALY, R., F. M. ALDEBREZ, and M. O. TOKHI. "FUZZY CONTROL SCHEME FOR AN OVERHEAD CRANE SYSTEM." In Proceedings of the 13th International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines. WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814329927_0040.

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SHAEBI, O. A. A., and M. O. TOKHI. "MODELING AND CONTROL OF AN OVERHEAD CRANE WITH 3DOF." In Proceedings of the Eleventh International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812835772_0050.

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SHAEBI, O. A. A., and M. O. TOKHI. "IMPACT OF THE HOOK ATTACHMENT MECHANISM ON CONTROL OF AN OVERHEAD CRANE." In Proceedings of the Eleventh International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812835772_0051.

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Major, Pierre, Guoyuan Li, Houxiang Zhang, and Hans Petter Hildre. "Real-Time Digital Twin Of Research Vessel For Remote Monitoring." In 35th ECMS International Conference on Modelling and Simulation. ECMS, 2021. http://dx.doi.org/10.7148/2021-0159.

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Real-time digital twins of ships in operation find many applications such as predictive maintenance, climbing the ladders of ship autonomy, and offshore operational excellence. The literature describes a focus on digital twinning of individual equipment such as navigation, propulsion, engine and power system, or crane. Yet, digital twinning and virtual prototyping for offshore operations are in their infancy and the onboard digitisation hardware and the telecommunication infrastructure are becoming accessible and affordable. Previous work has failed to address the need for building a holistic model and thus contextualising the equipment with the state of the whole vessel. A prototype of an online digital twin of a research vessel is proposed, its architecture described and its suitability for virtual prototyping demonstrated in a remote control centre. The study shows a viable proof of concept for remote monitoring and crew assistance in nominal and contingency response for offshore crane operations.
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Lau, S. C., W. A. F. W. Othman, and Elmi Abu Bakar. "Development of slider-crank based pole climbing robot." In 2013 IEEE International Conference on Control System, Computing and Engineering (ICCSCE). IEEE, 2013. http://dx.doi.org/10.1109/iccsce.2013.6720011.

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Dharmawan, Audelia G., Priti Xavier, David Anderson, K. Blake Perez, Hassan H. Hariri, Gim Song Soh, Avinash Baji, et al. "A Bio-Inspired Miniature Climbing Robot With Bilayer Dry Adhesives: Design, Modeling, and Experimentation." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85294.

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This paper presents the design, modeling, and analysis of the force behavior acting on a wheel-legs (whegs) type robot which utilizes bilayer dry adhesives for wall-climbing. The motion of the robot is modeled as a slider-crank mechanism to obtain the dynamic parameters of the robot during movement. The required forces and moment to maintain equilibrium as the robot is in motion is then extensively analyzed and discussed. Following the analysis, fundamental measures to attain an operative climbing robot, such as adhesive requirement and torque specification, are then identified. The outcomes of the analysis are verified through experiments and working prototypes that are in good agreement with the design guidelines.
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ALGAZALY, R., and M. O. TOKHI. "FUZZY CONTROL SCHEME FOR TWO OVERHEAD CRANES WITH THREE DEGREES OF FREEDOM." In Proceedings of the 14th International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines. WORLD SCIENTIFIC, 2011. http://dx.doi.org/10.1142/9789814374286_0031.

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Wu, Molei, Hao Zheng, and Xiangrong Shen. "Double-Acting Sleeve Muscle: Concept and Example Application in Powered Prostheses." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51052.

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Pneumatic muscle actuator is a type of muscle-like actuator that mimics human skeletal muscle action through an airtight elastic tube. This unique type of actuator is able to generate a large output force with a very lightweight structure, and thus has been used in various robotic systems. In this paper, the authors further expand the performance and functionality of pneumatic actuator by introducing a unique modification to the actuator structure. Specifically, a telescoping insert is integrated to the center of the actuator. This insert serves dual purposes. First, by eliminating the central space in the pneumatic muscle, this structural change increases the force output and reduces the energy consumption of the actuator. Second, the insert incorporates an additional pneumatic chamber at the center of the actuator, which enables the actuator to generate an extension force and become a double-acting actuator. Comparative experimental results demonstrated the advantages of the new actuator over the traditional pneumatic muscle with respect to the actuation force over the entire range of motion. Furthermore, a design example, knee actuation mechanism in a powered leg prosthesis, is presented to illustrate the application of the new actuator. To provide the desired performance, a double-acting sleeve muscle drives the knee joint through an inverted crank-slider mechanism. A graphic comparison shows that the actuation system is able to provide sufficient torque to support a 75 kg user’s level walking and stair climbing.
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Brabb, David C., Kenneth L. Martin, Anand R. Vithani, Monique F. Stewart, and S. K. Punwani. "Freight Car Electrically Driven Set and Release Hand Brake (EDHB)." In ASME 2011 Rail Transportation Division Fall Technical Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/rtdf2011-67031.

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For years, American freight railroads have attempted to eliminate freight train crew injuries when applying and releasing freight car hand brakes. Currently, a person has to crank a handle or turn a wheel while in ergonomically awkward positions to apply a hand brake. If the operator slips or the brake’s mechanisms slip, injuries occur. Also, there are inherent safety issues with the climbing of ladders or steps to operate the brake and the need for going in-between cars to access the brakes. Additionally, today’s hand brakes are applied manually to varying degrees because there is no indicator to tell the crew that the hand brake is fully applied. Many times the hand brake is over applied and becomes damaged. Moreover, a hand brake that is not released upon train movement leads to wheel flats that damage the car, lading, and the track. Wheel set replacement is one of the most costly remediation activities on the railroad and damaged track adversely affects equipment and operations. With the objective of reducing or completely eliminating the issues mentioned above, the Federal Railroad Administration (FRA) has sponsored the development of an ‘Electrically Driven Set & Release Hand Brake’ (EDHB). Under this effort, Sharma & Associates, Inc. (SA) has conducted research into related concepts/products conceptualized and evaluated different arrangements selected a promising concept and developed a prototype. Functional laboratory demonstration tests have been conducted on the prototype. Future plans include working with the industry in developing and implementing performance and testing specifications for the EDHB, and validating the design through lab and field-testing.
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