Dynamics Analysis and Experimental Research of Self-locking Descending Device of Mining Excavator by Bingbing Dong

“…The angular velocity and collision contact force of the main drive shaft are obtained respectively， and the stress analysis of the escape wheel is carried out. Finally， the performance of the test prototype is tested. …”
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Numerical Analysis of CNC-Grinding Process based on Complex Surface of Aviation Face Gear by Wang Yanzhong, Zhao Hongpu, Lan Zhou, Hou Liangwei, Zhong Yang, Lv Qingjun

“…The targeted results have high reliability,and the theoretical basis of grinding wheel selection and grinding parameters chosen for face gear grinding is established.…”
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Research of Load Sharing Performance of Hub Reducer with Considering the Flexible of Planetary Pin by Li Xuan

“…Taking the distributed electric drive hub reducer as study object，by using the FEA method, the support stiffness of the planetary wheel bearing and the flexible pin is solved. The obtained support stiffness are introduced into the lumped parameter dynamics model, a dynamics model that comprehensively considers the planetary pin shaft flexibility, time-varying mesh stiffness, time-varying mesh damping and comprehensive error is established. …”
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Prototypes and R&D for undulator-based positron sources by Moortgat-Pick Gudrid, Formela Manuel, Hamann Niclas, Lengler Tim, Lott Dieter, Loisch Gregor, Riemann Sabine, Sievers Peter, Tenholt Carmen, Yakopov Grigory

“…Recent progress in particular on the undulator mask designs, optic matching devices (R&D for prototypes for pulsed solenoid, plasma lens) and on the target design (rotating wheel, material tests) are discussed. The adaption of an undulator-based positron source for the HALHF design as an upgrade option for the ILC is included as well.…”
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Simulation Analysis and Experimental Study of the Automobile Synchronous Belt Drive Noise by Shi Yaochen, Li Zhanguo, Li Shuiqing, Zhao Xilu

“…The noise test of the synchronous belt drive system is carried out by using two wheel load test method. Comparison of the radiated noise and the numerical simulation results,the accuracy and feasibility of the simulation method is verified.…”
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Study on the Modeling of Vehicle Self- excited Shimmy by Tang Wang, Hai Chenguang

“…By using the wheel model,the accurately describes of the elastic characteristics of tire is carried out. …”
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Sampling and Compilation Method of Load Spectrum of Passenger Car Transmission by Chen Dexin, Li Songsong, Shi Xinglei

“…To study the sampling and compilation method of load spectrum of passenger car transmission,taking a certain type of front-engine,front-wheel-drive passenger car transmission as an example,according to different road conditions,the road random load of this passenger car transmission is collected.According to the characteristics of the load,the amplitude cycle counting method is employed to complete the statistical treatment for various time dependent loads tested in the road test.The design load spectrum of the passenger car transmission is compiled.The sampling and compilation method of load spectrum of the passenger car transmission is established.The method can provide accurate design input conditions for passenger car transmission,and provide a reference for accurate fatigue life prediction and fatigue test.…”
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Simulacre et modernité : l’illusion d’optique dans On the Western Circuit de Thomas Hardy by Catherine Lanone

“…The novel displays the enticing flickering sparks of desire created by the new wheel of fortune, turning the steam circus into a metaphor of ruthless mutations and hopelessly warped human relationships.…”
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ESTIMATION OF LONGITUDINAL CUMULATIVE FATIGUE DAMAGEOF WHEELSON CUSTOMER ROADS BASEDON SYSTEM IDENTIFICATION by MA ZhaGen, HU WenWei, WANG YiFan, ZHANG WuJie, WU MengQiao

“…An example of longitudinal wheel cumulativefatigue damage estimation was also given based on small-scale customer road load data of a certain A-level car. …”
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Design and Application Research of an Adaptive Obstacle Climbing Mechanism for Floor Sweeping Robot by Feng Shupeng, Wang Mingdi

“…An adaptive auxiliary obstacle climbing mechanism is designed,which is connected with the main driving wheel of the machine and is triggered by connecting rod mechanism when the step is touched to increase the additional driving force. …”
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Repairment of Planetary Carrier of Roller Press Planetary Reducer by Liu Qiang, Tan Yinglin, Zhang Hao, Li Simin

“…The results show that,the maximum stress of the repaired planetary carrier is 306. 7 MPa,the relative displacement of the pin hole of planet wheel is 0. 09 mm. This result is able to satisfy the request of the strength and stiffness of planetary carrier. …”
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Des éléments de charronnerie gallo-romaine à Châteaumeillant (Cher) by Alicia Torrado Alonso

“…We could thus identify some parts of a chariot’s internal structure: drive system, wheel parts, framework lining parts, etc. Their technical study and their comparison with other parts found elsewhere in the Empire territory, mainly in Neupotz (Germany), Italy or Roman provinces of Thrace and Pannonia, enabled us to submit a first approach of this type of vehicle. …”
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Dynamics Simulation Analysis for the Escapement Mechanism of the Mechanical Watch Movement by Chen Shijia, Chen Lin, Gong Xiang

“…The results show that the dynamics response of each part under different input moment of escapement wheel can be directly predicted by the model,and therefore the corresponding instantaneous daily rate is calculated. …”
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PROFILING OF THE HOB TOOL FOR WORM SHAFTS DEFORMATION by VIRGIL GABRIEL TEODOR, GEORGIANA-ALEXANDRA MOROSANU, NICUSOR BAROIU, RAZVAN SEBASTIAN CRACIUN, VIOREL PAUNOIU

“… The paper presents an algorithm for profiling the hob tool designed to generate by plastic deformation the worm shafts from the composition of worm-wheel gear type, used in the seat adjustment mechanisms of some Audi and Mercedes cars. …”
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Modal Analysis of Two Teeth Difference External Compound Planet Gear Transmission System based on SolidWorks / Simulation by Ye Youdong, Zhou Zhebo

“…In order to reveal the vibration mechanism under the working state of the polishing grinding head,the two teeth difference external compound planet gear transmission system for the new polishing grinding head is studied.The structure characteristics and the planet wheel assembly condition are analyzed,and the 3D model of the system structure is built up by using Solid Works software.The Simulation module is utilized for modal analysis of the transmission system by using finite element method.The natural frequency and corresponding vibration mode are obtained.The analysis results provided a useful reference for the study of free vibration,dynamic response and vibration suppression in polishing grinding of the two teeth difference external compound planet gear transmission system.…”
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Impact of road infrastructure equipment on the environment and surroundings by N. Robinah, A. Safiki, O. Thomas, B. Annette

“…The emissions of carbon dioxide, carbon monoxide, nitrogen dioxide, hydrocarbons, and particulate matter were analyzed.METHODS: Six road infrastructure equipment were sampled consisting of an excavator, roller, grader, concrete mixer, tamper, and wheel loader, obtained from a case study project in Kampala city, Uganda. …”
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Current data on Short-toed Eagle in the Nizhny Novgorod Region, Russia by Pavel M. Shukov

“…We designed a network of auto routes to survey the area and subsequently covered it in a four-wheel drive vehicle combined with walking through upland bogs and forest margins by foot. …”
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Mechanism Research and Experiment of Two-dimensional Gearbox with Output Shaft Rotating and Reciprocating Motion by Wu Shangsheng, Deng Haiyan, Deng Hongjian, Liu Yaping

“…The reciprocating motion related assembly is designed by applying the method of double eccentricity amplitude adjustment and eccentric wheel structure characteristics,the working principle of the output shaft rotation and axial reciprocating motion mechanism is mainly studied. …”
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Safety Match Design Method and Experimental Study of the Chain Drive in Transfer Case by Wang Hongjun, Xu Shuxin, Ye Bin, Xing Jianheng

“…It has the important guiding significance for the independent development of four- wheel drive in the transfer case chain drive system field.…”
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Micro-parameter Optimization of Helical Cylindrical Gear based on Romax by Hongfu Xing, Chaohui Yang, Nan Yu, Chao Xu, Jingliang Jiang

“…In the gearbox of main reduction helical cylindrical gear as the research object，by using Romax software，the gearbox model is established，combining the theory of microscopic parameters optimization of cylindrical bevel wheel，the transmission error，distribution of load per unit length of gear tooth surface and the contact spot are taken as the optimization objectives for microscopic gear modification，an omnidirectional modification method combining helical modification and tooth profile modification is proposed. …”
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