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Journal articles on the topic 'Mechanism of lifting'

Author: Grafiati

Published: 4 June 2021

Last updated: 19 February 2022

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1

Мудров and Aleksandr Mudrov. "ANALYSIS OF LIFTING MECHANISM OPERATION OF HOISTING MACHNIES." Vestnik of Kazan State Agrarian University 10, no. 2 (2015): 66–80. http://dx.doi.org/10.12737/12055.

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The lifting mechanism of hoisting machines is presented as a compound-chain mechanism, parts of which perform different movements. In the study this mechanism is replaced by a two-tier mechanism, equivalent to the action with the real scheme. Based on the principles of theoretical mechanics, theory mechanisms and Dalamber principle, we received a model of work in three periods: start abd acceleration, steady movement, braking and stopping. The model allows to evaluate the existing static and dynamic moments and to take concrete practical solutions. Numerical examples of using the model was off

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2

Zubilov, G., P. Litvinov, V. Mel’nikov, A. Sorokin, and S. Zhukov. "Hydraulic drive boom lifting mechanism." IOP Conference Series: Materials Science and Engineering 537 (June 17, 2019): 032075. http://dx.doi.org/10.1088/1757-899x/537/3/032075.

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3

Wang, Chengyun, Feng Tian, Shanjie Zhao, Guansiwei Shang, Yuteng Ma, and Dawei Chen. "Design of Monitoring PTZ with High Scalability." Frontiers of Mechatronical Engineering 2, no. 1 (2020): 13. http://dx.doi.org/10.18282/fme.v2i1.839.

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<p>Provided a design scheme of a lifting PTZ with high-scalability for detecting search and rescue robots based on the analysis and reference o f various lifting mechanisms at home and abroad. It proposed a rigid-flexible dual-property automatic lifting mechanism transmission scheme which adopt s a roll-up spring as a supporting mechanism, a gear and a sprocket as a transmission mechanism, and a telescopic rod as an auxiliary supporting mechanism, which provides a new solution for the disadvantages of the traditional lifting mechanisms with large original volume and poor telescopic perfo

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4

Augustaitis, Vytautas Kazimieras, Vladimir Gičan, Arūnas Jakštas, Bronislovas Spruogis, and Vytautas Turla. "The Dynamic Errors of Mechatronically Controlled Lifting Equipment." Solid State Phenomena 220-221 (January 2015): 369–73. http://dx.doi.org/10.4028/www.scientific.net/ssp.220-221.369.

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Upon striving to ensure the cargo safety and precizity of its delivery, mechatronic control systems are more and more widely applied in lifting mechanisms. They get information from various sensors, including those involved in registering the rope’s deformations. The got information may be distorted because of the appearance of cargo swinging that’s level depends on the mode of operation of the lifting mechanism and the rope’s elasticity. The latter varies dependently on the length of the unwound rope and the way of deformation of rope’s wires. In the paper, a mathematical model of a lifting m

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Ding, Ning, Chao Liu, Jingsong Duan, and Shuna Jiang. "Design of Double-drive Mechanism for Energy Saving Lifting Permanent Magnet." E3S Web of Conferences 118 (2019): 02074. http://dx.doi.org/10.1051/e3sconf/201911802074.

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On account of great power consume of lifting electromagnet, energy-saving lifting permanent magnet has got more attention. But in the exiting design of lifting magnet, most can only lift the workpiece placed horizontally, and can’t lift the workpiece placed inclined. Aiming at this defect, the authors design the double-drive mechanism. In this design, two sets of tumble, cylindrical gear mechanism and ratchet pawl mechanism were used to ensure that at least one set of mechanisms can work properly in the inclined state. To enable the two sets of mechanisms to drive the rotating magnetic system

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6

Xu, Yundou, and Yongsheng Zhao. "2B21 Kinematic analysis of the lifting mechanism of one forging manipulator." Proceedings of the Symposium on the Motion and Vibration Control 2010 (2010): _2B21–1_—_2B21–7_. http://dx.doi.org/10.1299/jsmemovic.2010._2b21-1_.

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7

Xu, Wan Hong, Cheng Shuang Zhang, and Shou Yan Wang. "Design and Simulating Analysis of Compressed Garbage Transport Truck Lifting Mechanism Based on ADAMS." Applied Mechanics and Materials 215-216 (November 2012): 1224–27. http://dx.doi.org/10.4028/www.scientific.net/amm.215-216.1224.

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The different lifting mechanisms of compressed garbage transport trunks are analyzed and compared, and the impact of characters and parameters on the functions of the machines is also analyzed. Finally, a kind of lifting mechanism on the basis of the principle of double docking bars is put forward. Creating 3D models of lifting mechanism based on the Pro/E, and using ADAMS to simulating analysis about motion process of mechanism, then the dynamic curve about acceleration of waste bin, press of hydraulic cylinder and other parameters can be gotten, which is valided of optimality of the mechanis

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8

Li, Rong Hao, Jue Yang, and Li Long Peng. "Mine Design and Optimization of Lifting Mechanism of Dumping Truck." Advanced Materials Research 760-762 (September 2013): 1274–77. http://dx.doi.org/10.4028/www.scientific.net/amr.760-762.1274.

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Lifting mechanism is one of the most important work system. Its design quality directly influences the using performance of mining dump truck. The dissertation takes large dump truck as research object, with the knowledge of the mechanism dynamics for the top rear lifting mechanism of dump truck for innovative design,using the optimization function of MATLAB make the lifting mechanism optimal, to articulated point lifting mechanism the reasonable optimally lay out, and improves the lifting organization performance fundamentally.

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9

Sun, Tao, Qing Zhang, and Ming Liu. "Design & Research of Large Height Lifting Mechanism for Ultra-Large Structures." Advanced Materials Research 255-260 (May 2011): 634–38. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.634.

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A current development trend of the industrial equipment is ultra-large scale. The construction, transportation, and installation of these equipments require ultra-large tonnage lifting equipments. At present, domestic ultra-large tonnage lifting equipments, particularly for special purpose are still immature, unable to meet requirements of the lifting of ultra-large structures. Based on the need of ultra-large steel structures (offshore oil platforms) lifting, using strength theory and finite element analysis, a continuous lifting mechanism for the lifting of ultra-large structures was designe

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10

FALTINOVÁ, Eva, Martin MANTIČ, Jozef KUĽKA, and Melichar KOPAS. "RELIABILITY ANALYSIS OF CRANE LIFTING MECHANISM." Scientific Journal of Silesian University of Technology. Series Transport 98 (March 30, 2018): 15–26. http://dx.doi.org/10.20858/sjsutst.2018.98.2.

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11

XU, Yundou. "Design of Forging Manipulators's Lifting Mechanism." Journal of Mechanical Engineering 48, no. 05 (2012): 28. http://dx.doi.org/10.3901/jme.2012.05.028.

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12

MAO, Liqun, Toshimi TAKAGI, Kenji YOSHIDA, and Shinichi KINOSHITA. "Lifting Mechanism of Inverse Diffusion Flames." Transactions of the Japan Society of Mechanical Engineers Series B 69, no. 679 (2003): 718–23. http://dx.doi.org/10.1299/kikaib.69.718.

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13

Ge, Xu Kun, Da Wei Liu, and Long Long Zhu. "Fatigue Life Analysis of Lifting Mechanism Rod Based on Virtual Prototyping and FEM." Advanced Materials Research 680 (April 2013): 364–68. http://dx.doi.org/10.4028/www.scientific.net/amr.680.364.

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In order to calculate fatigue life of dump truck lifting mechanism’s structure components, a virtual prototyping model of lifting mechanism was built with Multi-body Dynamic Simulation Software ADAMS. The variation of applied force of lifting mechanism rod with lifting angle was obtained from dynamic analysis of lifting mechanism. A finite element (FEM) model of the rod was established using FEM Software MSC.PATRAN/NASTRAN, and its structural strength was analyzed. On this basis, S-N curve of the rod and linear cumulative damage law was combined to calculate the rod’s fatigue life with Fatigue

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14

Zhu, Long Long, Da Wei Liu, Xu Kun Ge, and Wei Fan. "Strength Analysis for Lifting Mechanism of Dump Truck Based on Virtual Prototype and Finite Element Technology." Advanced Materials Research 651 (January 2013): 543–47. http://dx.doi.org/10.4028/www.scientific.net/amr.651.543.

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In order to study the strength analysis of dump truck with a T-type lifting mechanism, a detailed multi-body dynamic model of a dump truck was established by using SIMPACK software. With this rigid-flexible coupling model, which includes front suspension, balanced rear suspension, carriage, lifting mechanism, tyre model and so on. Dynamical analysis was carried on the dump truck, the variation of application force of lifting mechanism with lifting angle was obtained. Finite element model of a dump truck was established by using Hypermesh software. Strength Analysis was studied on the dump truc

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15

Zhao, Yan Zhi, Xiang Nan Wang, Xue Gang Bai, and Yu Bo Ren. "Analysis and Simulation of Parallel Lifting Mechanism for Schnable Car Based on Complex Vector." Applied Mechanics and Materials 681 (October 2014): 3–6. http://dx.doi.org/10.4028/www.scientific.net/amm.681.3.

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The working conditional model of schnable car has been established and the principle of lifting mechanism has been analyzed. By complex vector method, we analyze the kinematics of the lifting mechanism and get the position, speed and acceleration curves of relevant objects under the lifting progress. We have a static analysis on lifting mechanism, and get the relationship curve of the cylinder’s force and generator’s mass by mathematical Calculation. Kinematics simulation test is proceeded by ADAMS.

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16

Rakhmatulina, Ayaulym, Serikbay Kosbolov, and Gaukhar Tanzharikova. "Design of a New Load Lifting Mechanism." Procedia - Social and Behavioral Sciences 83 (July 2013): 689–92. http://dx.doi.org/10.1016/j.sbspro.2013.06.130.

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17

Takahashi, F., M. Mizomoto, S. Ikai, and N. Futaki. "Lifting mechanism of free jet diffusion flames." Symposium (International) on Combustion 20, no. 1 (1985): 295–302. http://dx.doi.org/10.1016/s0082-0784(85)80514-2.

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18

., Neil Purandare. "LIFTING MECHANISM FOR ATTACHMENTS OF AGRICULTURAL EQUIPMENTS." International Journal of Research in Engineering and Technology 03, no. 08 (2014): 341–47. http://dx.doi.org/10.15623/ijret.2014.0308053.

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19

Cveticanin, L. "Dynamic behavior of the lifting crane mechanism." Mechanism and Machine Theory 30, no. 1 (1995): 141–51. http://dx.doi.org/10.1016/0094-114x(94)00045-m.

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20

Yuan, Li Dong, and Xian Kun Lin. "Simulation and Topological Optimization of the Lifting Mechanism of a Dump Truck." Applied Mechanics and Materials 470 (December 2013): 271–74. http://dx.doi.org/10.4028/www.scientific.net/amm.470.271.

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Taking a heavy dump truck as the research object, multi-body analysis and movement simulation are carried out on the lifting mechanism to determine the largest lifting time of the hydraulic cylinder. The stress value of key components and corresponding lifting Angle are acquired, and the calculated results and the actually known parameters and data are compared to verify the rationality of the design of lifting mechanism. Using ABAQUS for the strength check of the triangular arm and using OptiStruct for the topology optimization of the part, the mass and the volume of the new part are reduced

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21

Hren, Iryna, Petr Hejma, Štefan Michna, Martin Svoboda, and Josef Soukup. "Analysis of torque cam mechanism." MATEC Web of Conferences 157 (2018): 06004. http://dx.doi.org/10.1051/matecconf/201815706004.

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The article deals with the process of torque camshaft at a constant speed. The method of release was determined by the normal force acting between the cam and the tappet. Subsequently, was expressed torque. A prerequisite for the calculations are a constant friction coefficient between the components of the mechanism and constant speed of the camshaft. Cam used for the purposes of this study generated polynomial lifting dependence. Part of this work is the calculation methodology lifting addiction. Course of torque is the conclusion presented on the values of the corresponding measuring statio

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22

Li, Yong Hua, Wen Zhong Zhao, and Chun Ge Nie. "Analysis of Hydraulic Lifting System and Design of Cylinder for the New 450t Schnabel Car." Advanced Materials Research 118-120 (June 2010): 871–75. http://dx.doi.org/10.4028/www.scientific.net/amr.118-120.871.

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The hydraulic lifting system of 450t schnabel car is more complex variable geometry mechanism. A simple technique for solving variable geometry mechanism is presented. The technique is based on energy conservation principle of hydraulic lifting process. The lifting principle and geometrical models are analyzed and formulated. The lifting pressure is calculated. The static strength design and bulking stability checking are introduced for cylindrical pressure cylinder. Results show that the maximum rated oil pressure meets cylinder lifting requirement, the static strengths of cylinder and piston

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23

Chen, Yuanlong, Zhuangzhuang Cheng, and Zhendong Huang. "Optimal Design of Lifting Mechanism of Linkage Hydraulic Lifting Dam Based on MATLAB." Journal of Physics: Conference Series 1948, no. 1 (2021): 012128. http://dx.doi.org/10.1088/1742-6596/1948/1/012128.

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24

Bo, Jing, and Xu Lizhang. "Design and Simulation of Liftable Crawler Chassis for Combine Harvester." JOURNAL OF ADVANCES IN AGRICULTURE 8 (October 27, 2018): 1476–87. http://dx.doi.org/10.24297/jaa.v8i1.7809.

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Aiming at the needs of field operations in different deep mud, a liftable crawler chassis based on the connecting rod arm mechanism was designed, including the chassis upper frame, lifting mechanism, hydraulic cylinder, limit mechanism, left and right walking system. In the ADAMS software, a virtual prototype model of the lifting and lowering chassis is established. The angle variation of the frame on the chassis relative to the ground and the angular velocity and acceleration of each lifting rod were simulated and analyzed. These rules met the chassis lifting adjustment requirements during th

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25

Shi, Xu Dong, Shou Wen Shi, and Jian Li Li. "Virtual Design and Inverse Dynamics Analysis of Aircraft Taxi-Mover Lifting Unit." Applied Mechanics and Materials 121-126 (October 2011): 1545–49. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.1545.

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A new holding-lifting autosteer mechanism (HAM) is introduced which is fit for aircraft taxi-mover. The relation between the Multi-bar mechanism and tug operation of the aircraft on the taxiway is also discussed. With this understanding , a virtual parameterized model of holding-lifting autosteer mechanism is established by Pro/E . Based on Single-opened-chain , inverse dynamic analysis for planar parallel lifting unit is presented .

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26

Jiang, Rong Chao, Da Wei Liu, Zhong Chang Wang, and Wei Fan. "Dynamic Characteristics Simulation for Lifting Mechanism of Dump Truck Based on Virtual Prototype." Applied Mechanics and Materials 195-196 (August 2012): 754–57. http://dx.doi.org/10.4028/www.scientific.net/amm.195-196.754.

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In order to study the dynamic characteristics of dump truck with a T-type lifting mechanism, a detailed multi-body dynamic model of a dump truck was established by using SIMPACK software. With this model, which includes front suspension, balanced rear suspension, carriage, lifting mechanism, tyre model and so on, the kinematics and dynamics of the dump truck were studied by simulation. The variation of angular velocity, angular acceleration and applied force of carriage, tension rod and cylinder with lifting angle were obtained. This study will provide scientific reference for the structural d

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27

Li, Jing Yue, Qin He Gao, and Kai Hua Chen. "Dynamics Analysis and Drive Force Selection for Cylinder Forward Push Lever Lifting Mechanism." Applied Mechanics and Materials 644-650 (September 2014): 622–27. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.622.

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The dynamics performance for lifting mechanism is a very important factor that affects its rapidity and stability. This paper gives the dynamics equations for lifting process by using a equivalent dynamics model, and makes dynamics analysis for cylinder forward push lever lifting mechanism in a condition of giving its movement rules, and then acquires curves of changing loads on key joints and acceleration of the load centroid by dynamics simulation using ADAMS for five movement rules. In the end, a better selection is made by contrasting the results. This would give some reference to improvin

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28

Zhao, G., Zsolt Tiba, and József Menyhárt. "Optimization and Analysis of Structure about Lifting Device of Logistics Sorting." International Journal of Engineering and Management Sciences 4, no. 4 (2019): 425–31. http://dx.doi.org/10.21791/ijems.2019.4.49.

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The lifting device of a logistics sorting machine needs high frequency upward and downward reciprocating motion therefore the cutting fork arms and matching parts of the shaft are often worn out. In this paper the problem of the shear fork types applied for the lifting mechanism is studied at first. Then the advanced numerical simulation software ANSYS adopted for the lifting mechanism of the shear fork type, and the means of virtual simulation is introduced. Hence the possible location of faults and fault modes are analysed. Then improving measures about the lifting mechanism of the logistics

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29

Xu, Yundou, Yu Liu, Jiantao Yao, and Yongsheng Zhao. "Analysis of a novel lifting mechanism for forging manipulators." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 229, no. 3 (2014): 528–37. http://dx.doi.org/10.1177/0954406214535924.

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In this paper, a hybrid serial–parallel forging manipulator was put forward, which is composed of a planar five-bar mechanism and a two-limb parallel mechanism in series. Forging manipulator’s DOF properties and motion principle were analyzed by means of screw theory. The position solution of the main motion mechanism of manipulator was derived in the grasping stage, which was used to solve input displacements of lifting and pitching hydraulic cylinders depending on the requirements of forged piece’s lifting height and pitching angle. Dimensional optimization of the manipulator’s main motion m

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30

Ma, Yi Lai, Li Lin, and Xian Wen Liu. "Kinematics and Dynamics Analysis of the Lifting System of a Welding and Tube-Transferring Car for Deepwater Pipe-Laying Vessels." Advanced Materials Research 199-200 (February 2011): 32–40. http://dx.doi.org/10.4028/www.scientific.net/amr.199-200.32.

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The tube-transferring car is a key part of transportation system for deepwater pipe-laying vessels. This paper covers the design of a tube-transferring car for deep sea pipe-laying, especially its lifting mechanism. Kinematics and dynamics analysis of the lifting mechanism is conducted. During dynamic analysis and calculation, the single degree of freedom mechanical system dynamic analysis method is used. The results show that the rotation angle of the lifting system has a direct impact on the lifting speed and driving force. The support reaction force in each kinematic pair which is calculate

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31

Pan, Yongjun, and Liang Hou. "Lifting and parallel lifting optimization by using sensitivity and fuzzy set for an earthmoving mechanism." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 231, no. 2 (2016): 192–203. http://dx.doi.org/10.1177/0954407016660454.

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Earthmoving equipment in motor graders, which can be considered to be complex multibody systems (MBSs), are critical components for earthwork, compaction and re-handling. They have not yet received much attention due to their unusual applications and complicated structures. In this paper, a comprehensive study of an earthmoving MBS, from the mechanism identification and sensitivity analysis to the multi-objective optimization, is presented. First, the earthmoving MBS is identified to be a six degrees-of-freedom spatial hybrid mechanism, where a three revolute-revolute-prismatic-spherical (RRPS

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32

Bai, Hai Ying, Chun Yan Fu, and Xiu Zhi Zhang. "Kinematics Analysis of Heavy Dump Truck Lifting Mechanism." Advanced Materials Research 472-475 (February 2012): 2245–50. http://dx.doi.org/10.4028/www.scientific.net/amr.472-475.2245.

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The kinematic characteristics and work principle of dump truck lifting mechanism are very complex. In this paper kinematics analysis with complex vector method is used. By this method the angle motion characteristics of components are obtained, the main parameters are calculated and the center of mass is determined when dumping granular materials. Through kinematic analysis, this paper provides a theoretical basis for reliability and stability of lifting mechanism and improves the design of heavy dump truck.

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33

Fujihira, Yoshinori, Naohiko Hanajima, Kentarou Kurashige, Hidekazu Kajiwara, and Masato Mizukami. "Development of Lifting System for High-Elevation Inspection Robot Targeting Hanger Ropes." Journal of Robotics and Mechatronics 31, no. 6 (2019): 803–15. http://dx.doi.org/10.20965/jrm.2019.p0803.

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In this paper, we show the development of a lifting system and frame body for an inspection robot targeting hanger ropes of a suspension bridge. Infrastructure now requires regular inspection and such robots are expected to be used in places where manual inspection is difficult. The problems associated with the lifting system for the hanger-rope inspection robot studied in this paper include a long lifting distance (up to 100 m), postural stability against the influence of wind, and risk of falling. To solve these problems, we propose a lifting system with an alternating rotation mechanism, wh

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Zhang, Wei, Xue Fei Zhang, and Chao Yan. "Unified Modeling for Input Forces and Input Vectors for Two Scissor Lifting Mechanisms." Advanced Materials Research 819 (September 2013): 362–67. http://dx.doi.org/10.4028/www.scientific.net/amr.819.362.

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Scissor lifting mechanisms are widely equipped on airport ground support facilities, in this paper, we propose a unified modeling process for two special SLMs by establishing the expression of input motion vectors and input force vectors and test the results by three proposed cases. A characteristic triangle and corresponding parameters are introduced for any configuration. The presented method provides a reference mode for studying scissor lifting mechanism.

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35

Lee, Tsui-Er, Rong-Mao Lee, and Pao-Ting Liu. "Design and production of toilet seat lifting mechanism." MATEC Web of Conferences 71 (2016): 04010. http://dx.doi.org/10.1051/matecconf/20167104010.

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36

BRIDGE, R., and J. BRIDGE. "Gear Lifting Mechanism for the Rolls of Calenders." Journal of the Society of Dyers and Colourists 35, no. 5 (2008): 134. http://dx.doi.org/10.1111/j.1478-4408.1919.tb01060.x.

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37

Boettinger, W. J., C. A. Handwerker, B. Newbury, T. Y. Pan, and J. M. Nicholson. "Mechanism of fillet lifting in Sn-Bi alloys." Journal of Electronic Materials 31, no. 5 (2002): 545–50. http://dx.doi.org/10.1007/s11664-002-0112-9.

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Szweda, Jan, Zdenek Poruba, Roman Sikora, and Jiří Podešva. "Computational Analysis of Mechanism Operability." Applied Mechanics and Materials 315 (April 2013): 879–83. http://dx.doi.org/10.4028/www.scientific.net/amm.315.879.

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This article deals with a way of interpretation the results of numerical simulations solved for the mechanism of lifting platform. Subject of analysis is the atypical design solution of lifting mechanism with one degree of freedom, which members are connected by revolute joints and linear sliding guidance. The mechanism movement is provided by linear hydromotors. Computational simulations are carried out by FEM, where linear coupling equations are used for modeling of revolute joints and linear sliding guidance is modeled by structural contact of rail and slider. The way of modeling and parame

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Fratila, C., T. Axinte, R. C. Cojocaru, C. Berescu, and I. C. Scurtu. "The study of the lifting mechanism of the crane arm to a barge." Technium: Romanian Journal of Applied Sciences and Technology 2, no. 1 (2020): 91–96. http://dx.doi.org/10.47577/technium.v2i1.47.

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During cargo loading and unloading, the vessels’ lifting gear, even if anchored or moored, is affected by the pitch and roll movements, in addition to the usual stresses, a similar shore crane is subjected to. This paper aims at presenting an analysis of the lifting operations of a boom crane pertaining to a self-propelled barge. The analysis starts with the meshing with triangle elements, the stresses and the embedding using the finite elements method. The crane and the pertaining boom were modeled using CAD design, NX 10.0 from Siemens. The lifting equipment of the ships boom crane may be su

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40

Chovnyuk, Yu V., and I. M. Sivak. "Discrete-continuous simulation and analysis of forced oscillations of (heavy) rope of crane loading mechanism in its process." Naukovij žurnal «Tehnìka ta energetika» 11, no. 3 (2020): 181–86. http://dx.doi.org/10.31548/machenergy2020.03.181.

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The analysis of forced oscillations and waveformations of heavy ropes of hoisting mechanisms of cranes in the processes of starting the latter is carried out. The main parameters of the resulting waveforms in the ropes for different ways of lifting the load ("with a pickup", "by weight") are determined. The influence of gravity on the rope and the longitudinal oscillations arising in it, as well as on the longitudinal waveforms arising inside it are investigated. The rope of the lifting mechanism, in this case, is considered as a tensile rod. The laws of motion of cross-sections of ropes are e

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41

Fan, Gui Ju, Yong Zhen Wang, and Xiao Hui Zhang. "Development and Experiment of Lifting Platform for Orchards in Hilly Area." Applied Mechanics and Materials 865 (June 2017): 111–17. http://dx.doi.org/10.4028/www.scientific.net/amm.865.111.

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At present, pruning of fruit trees on hills is mainly completed by climbing on trees or ladder, which could cause injury due to poor landform. In order to avoid such kind of risks, it is important to develop a lifting platform for orchards in hilly area. In this paper its structure and working mechanism were introduced. This lifting platform, as a machine, is comprised of power device, elevating mechanism, leveling mechanism, slewing mechanism, supporting mechanism and hydraulic control system, and is driven by a small four-wheel tractor. Its hydraulic system can control hydraulic cylinders to

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42

Wang, Zhong Chang, Da Wei Liu, Rong Chao Jiang, and Xu Kun Ge. "Optimum Design of Kitchen Garbage Truck Lifting Mechanism Based on Virtual Prototype." Advanced Materials Research 479-481 (February 2012): 837–40. http://dx.doi.org/10.4028/www.scientific.net/amr.479-481.837.

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The lifting mechanism’s mechanical system and hydraulic system were built by the mechanical system dynamics software ADAMS for improving the mechanism’s performance. The hydraulic-mechanical virtual prototype model was established by the integration of the two systems through parameter correlated technology under ADAMS environment. The locations of revolute joints were optimized with the minimum of the cylinder forces as the optimization goal, by using the OPTDES-GRG and the main design points were parameterized. The optimization results show that the maximal cylinder forces had reduced by 16.

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Monkova, Katarina, and Peter Monka. "Specification of Forces in Hydraulic Cylinders for Lifting and Transporting Mechanism HR3001." Applied Mechanics and Materials 418 (September 2013): 167–71. http://dx.doi.org/10.4028/www.scientific.net/amm.418.167.

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The article deals with dynamic analysis of mechanism HR 3001 used at the lifting and transporting of various types of bodies or loads. It can be placed on the lorry so the manipulator becomes part of it. The goal of the analysis is to investigate the drive forces in hydraulic cylinders which are necessary for the lifting of load with specified mass. The modern methods used computer aid with the special software for analysis processing, which can simulate not only the motion of the mechanism, but they can define the position, velocity, acceleration, forces, moments and other parameters in every

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Zhang, Wei, and Chao Yan. "Optimization Design of Input Location Parameters of Scissor Lift Mechanism." Key Engineering Materials 693 (May 2016): 163–68. http://dx.doi.org/10.4028/www.scientific.net/kem.693.163.

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A method of optimization design of input location parameters is proposed to analyze this problem that stress suffered by arms is big in the lifting process of Scissor Lift Mechanism. On the basis of the established stress model, and through the analysis of maximum stress function in lifting process of SLM, the input location parameters are optimized. Finally, this conclusion and the feasibility of this scheme are validated by analysis of examples.

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Liu, Wei Min, Ai Yun Zheng, Chun Guang Lu, and Yan Tang. "Design and Research on Micro Pure Electric Garbage Transfer Vehicle." Advanced Materials Research 422 (December 2011): 65–69. http://dx.doi.org/10.4028/www.scientific.net/amr.422.65.

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Based on the analysis of characteristics and Application requirements, one type of micro pure electric garbage transfer vehicle was designed. The power layout program, chassis layout and hydraulic lifting mechanism were researched to meet the driving safety need and automobile ride. The McPherson independent front suspension and the coil spring integral rear suspension were selected as the suspension program. The type of motor front and front drive was the arrangement of power system. The ladder frame chassis was selected for its high strength and low cost and the finite element analysis of fr

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Li, Shou Cheng, and Xue Jun Wang. "Study on Elevator Drive System Dynamics Simulation of Rail Transport Conveyer." Applied Mechanics and Materials 511-512 (February 2014): 619–22. http://dx.doi.org/10.4028/www.scientific.net/amm.511-512.619.

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Rail transport conveyer is special transportation equipment that is widely used in the field of metallurgical industry. It is the key to ensure equipment operation efficiency on a production site. But the low lift system efficiency and poor reliability are difficult technical problems in the enterprise. In this case, rail transport conveyer uses the worm gear and screw nut lifting mechanism. The project carries on rail vehicle lifting system modeling and dynamic simulation study through Solid Edge ST5 and ADAMS, combined with simulation technology, virtual prototype design. Research purpose is

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Vitchuk, P. V., N. D. Reykhert, and N. A. Vitchuk. "Selection and calculation of traction elements of the elevator lifting mechanism." Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta 7, no. 3 (2021): 205–16. http://dx.doi.org/10.22281/2413-9920-2021-07-03-205-216.

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The correct choice of elements of the elevator lifting mechanism and their parameters ensures its reliability, durability, energy and economic efficiency. The paper contains recommendations for the selection of the traction elements of the elevator lifting mechanism and the sequence of determining their parameters based on a multivariate calculation. The purpose of the proposed sequence is to obtain the most rational parameters of the traction elements of the elevator lifting mechanism. The initial data for the calculation are the lifting capacity of the elevator, the nominal speed of movement

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Fei, Ye, Qiong Wu, and Hai Yang Yu. "Dynamic Simulation of Hydraulic Truck Crane Hoisting System Based on AMESim." Applied Mechanics and Materials 29-32 (August 2010): 2031–36. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.2031.

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This paper is made from a certain type of truck crane hydraulic lifting mechanism system as an object, then the second lifting working condition is analyzed. With AMESim, according to the hydraulic system diagram building lifting mechanism hydraulic system simulation model, hereby corresponding simulation conditions is set and the effects of secondary slide response on input signal, hoisting load, discharge and speed of pump, fluid resistance of one-way throttle is studied. This research on truck crane hoisting mechanism hydraulic system provides the theory basis for the design improvement, th

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Xing-chao, WU, and Zhang Jie. "Analysis of the supporting head fracture of a lifting mechanism." E3S Web of Conferences 136 (2019): 04009. http://dx.doi.org/10.1051/e3sconf/201913604009.

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This paper introduces the working principle of a lifting mechanism and analyzes the end factors of the fault using the fault tree analysis method [1]. This paper also conducts strength analysis and physical and chemical analysis of the fractured supporting head, and determines that the cracks generated on the component surface due to the defect is the main cause of the supporting head fracture. Based on this, this paper proposes relevant solutions to improve the safety of the lifting mechanism.

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Wu, Gui Min, and Xiang Shi. "Optimal Design of Lifting Mechanism for Standing Rehabilitation Bed Based on MATLAB." Applied Mechanics and Materials 385-386 (August 2013): 113–16. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.113.

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The lifting mechanism is the key to the standing recovery bed, moreover, the coordinates of hinge joints of lifting mechanism is the difficulty in designing the mechanical structure of standing rehabilitation bed. In this paper, it mainly illustrates numerical analysis of hinge joints with using MATLAB to solve critical parameter values, besides, as for optimizing the design of mechanism, it is necessary to analyze the trajectory of the mechanism and kinematic parameters and to verify the rationality of the design.

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