Academic literature on the topic 'Pull-rod'

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Journal articles on the topic "Pull-rod"

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Revoor, Sateesh Kumar, Mittapally Nikhil, and Jatothu Sucharitha D. Anil. "Design and Modeling of Pull Rod and Push Rod Suspension System." International Journal of Trend in Scientific Research and Development Volume-3, Issue-3 (April 30, 2019): 1074–77. http://dx.doi.org/10.31142/ijtsrd23263.

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Wang, Zhigang, Yun Xiang, Ziqi Yi, Longfei He, Mingjie Chen, and Peng Li. "Research on High-strength Flexible Insulation Rod of Ultra High Voltage Live Working." E3S Web of Conferences 248 (2021): 01054. http://dx.doi.org/10.1051/e3sconf/202124801054.

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Insulation pull rods are commonly used tools and instruments in the replacement of insulators for live work. Traditional hard insulated pull rods are difficult to transport and assemble due to their large deflection, especially due to the long and heavy weight of insulated pull rods used in UHV live operations, the difficulties in the above links are more obvious. In view of the existing problems in the use of the existing insulated pull rods, by studying the overall processing type, the soft pull rod weaving process, the technology of tightly combining the core rod and the protective cover, the technology of connecting the core rod and the metal, etc., a new type suitable for live transmission lines has been developed. Large-tonnage soft insulated pull rod for operation. Effectively solve a series of problems caused by the large deflection of the hard insulated pull rod.
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Sakai, Naomi, Adam L. Sisson, Sheshanath Bhosale, Alexandre Fürstenberg, Natalie Banerji, Eric Vauthey, and Stefan Matile. "Rigid-rod push–pull naphthalenediimide photosystems." Organic & Biomolecular Chemistry 5, no. 16 (2007): 2560. http://dx.doi.org/10.1039/b708449h.

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Zheng, Feng Zhu, Wei Min Cui, and Hong Juan Li. "Static Strength Analysis of Components of Flap Control System for a Certain Type of Aircraft." Applied Mechanics and Materials 401-403 (September 2013): 422–26. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.422.

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Pull rod and rocker arm are important parts of aircraft control system, its strength, stiffness and stability can largely affect the aircrafts control effect, sometimes the flight safety will be influenced [2]. A type of aircraft control system has been upgraded and modified, therefore the pull rod and rocker arm of the flap control system need to take the static strength test. Based on field test and finite element simulation analysis, this paper has the static strength of pull rod and rocker arm checked, and to verify the correctness of the finite element model and lay foundation for the optimization design of components of aircraft control system.
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Villarreal Sarmiento, Carlos, Juan Rodríguez Alcalá, and Agustín Valverde Granja. "Análisis dinámico de la suspensión Pull Rod y Push Rod para el vehículo eléctrico tipo monoplaza." Vía Innova 1, no. 1 (December 15, 2014): 54. http://dx.doi.org/10.23850/2422068x.376.

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SENA was proposed as a challenge to design and build an electric vehicle type formula for competitions nationwide. The subject matter of this article is to perform dynamic analysis Pull-Rod and Push-Pull the car suspension for optimum relationship between stability, weight and strength, seeking to improve performance race car. Another important aspect of the system is driver safety, a fault in this system may lead to loss of limb or life.
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Çetin, Engin, Mustafa Özkaya, Ümit Özgür Güler, Emre Acaroğlu, and Teyfik Demir. "Evaluation of the Effect of Fixation Angle between Polyaxial Pedicle Screw Head and Rod on the Failure of Screw-Rod Connection." Applied Bionics and Biomechanics 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/150649.

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Introduction.Polyaxial screws had been only tested according to the ASTM standards (when they were perpendicularly positioned to the rod). In this study, effects of the pedicle screws angled fixation to the rod on the mechanical properties of fixation were investigated.Materials and Method.30 vertically fixed screws and 30 screws fixed with angle were used in the study. Screws were used in three different diameters which were 6.5 mm, 7.0 mm, and 7.5 mm, in equal numbers. Axial pull-out and flexion moment tests were performed. Test results compared with each other using appropriate statistical methods.Results.In pull-out test, vertically fixed screws, in 6.5 mm and 7.0 mm diameter, had significantly higher maximum load values than angled fixed screws with the same diameters (P<0.01). Additionally, vertically fixed screws, in all diameters, had significantly greater stiffness according to corresponding size fixed with angle (P<0.005).Conclusion.Fixing the pedicle screw to the rod with angle significantly decreased the pull-out stiffness in all diameters. Similarly, pedicle screw instrumentation fixed with angle decreased the minimum sagittal angle between the rod and the screw in all diameters for flexion moment test but the differences were not significant.
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Blatnická, Mária, Milan Sága, and Miroslav Blatnický. "Design and strength analysis of mechanical rack system." MATEC Web of Conferences 254 (2019): 01017. http://dx.doi.org/10.1051/matecconf/201925401017.

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The paper deals with a construction design of the rack system which will be used for storage of metallurgical rod material in a manufacturing engineering company. To meet requirements for manual control of the pull-out mechanism it will be determined the force exerted by the worker on the hand crank required to pull in and pull out the racking system at the full load. In addition, stress analysis was conducted by means of finite element method.
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Gent, A. N., and S. Y. Kaang. "Pull-Out and Push-Out Tests for Rubber-to Metal Adhesion." Rubber Chemistry and Technology 62, no. 4 (September 1, 1989): 757–66. http://dx.doi.org/10.5254/1.3536273.

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Abstract A study has been carried out of adhesive failure forces for a steel rod embedded in and bonded to a rubber block. Emphasis has been placed on comparing tension (pull-out) and compression (push-out) forces. A fractional contribution to the pull-out force appeared to be significant for rods having a diameter greater than about 0.5 mm in the present experiments. Indeed, it became a large fraction of the total force when the rod diameter was 1 mm or more. On the other hand, it was negligibly small in push-out experiments. They would therefore be preferred on this basis for measuring the strength of adhesion. But experimental difficulties in carrying out compression tests are considerable. Tall blocks become unstable under large compressive loads, and short ones are markedly stiffer than long ones, due to restraints on their lateral expansion, which are difficult to specify and control. Thus, although measurements of push-out force for a wide variety of samples have been shown to be in good accord with a simple theoretical treatment of debonding, ignoring friction, it is recommended that pull-out tests be retained for assessing the strength of adhesive bonds. Caution is necessary to minimize the effect of friction. The theoretical treatment indicates that the product aL of the rod radius a and the embedded length L should be held smaller than the cross-sectional area of the block in which the rod is embedded.
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Matsumoto, Taku, Yoshiaki Oyama, Jun Ogawa, Keita Nakamura, and Keitaro Naruse. "Mechanism of generating drawbar pull of rod wheel on loose soil." Artificial Life and Robotics 22, no. 4 (August 14, 2017): 503–8. http://dx.doi.org/10.1007/s10015-017-0384-z.

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S P, Praveen Kumar, and Seok-Soon Lee. "Design and Experimental Analyses of Hybrid Piston Rods Used in Hydraulic Cylinders under Axial Load." Applied Sciences 11, no. 18 (September 15, 2021): 8552. http://dx.doi.org/10.3390/app11188552.

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Composite hydraulic cylinders are used to reduce the weight of construction equipment such as aerial work platforms or excavators. The weight is compensated by manufacturing hydraulic cylinders from Carbon Fiber Reinsforced Plastic (CFRP), but this is expensive. Therefore, this study investigated a hybrid hydraulic cylinder, which is a combination of CFRP and steel, considering both performance and cost. The conventional hydraulic cylinder rods are made of steel, which can prevent failure due to buckling under push load (Push) or failure under alternating push–pull load (Push–Pull) or pull only. In this paper, we discuss how the failure threshold for these two mechanisms can be increased by making the piston rod from a hybrid material. In order to develop this lightweight hybrid piston rod for hydraulic cylinders that meets the buckling strength requirements of the original steel rod, CFRP is used as a substitute, which has significant buckling strength against compressive loading and, most importantly, is lighter than steel. The substitution is done either by replacing steel completely with CFRP or by reducing the volume of steel and sheathing it with CFRP. Numerical and experimental studies are carried out to understand the strength and behavior of piston rods when they are replaced by different combinations of composite materials for the given load. For this study, two different piston rod designs with various design parameters were considered, and their respective behavior under loading was discussed. The effect of compressive loads on CFRP wrapped steel parts and buckling strength as a function of fiber orientation, stacking angle and number of CFRP layers was investigated using experiments. The study demonstrated the usefulness of steel-CFRP composites to reduce weight and their influence on buckling load in hydraulic cylinders.
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Dissertations / Theses on the topic "Pull-rod"

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Bergée, Alexander, and Martin Nyberg. "Vidareutveckling av Aarmaroch pull/push rod till Formula Student bil." Thesis, KTH, Maskinkonstruktion (Inst.), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171953.

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Ett fördjupningsarbete inom maskinkonstruktion har varit att vidareutvecklahjulupphängningen på en Formula student bil. En kraftanalys har gjort för att definieradimensionerande belastningsfall för hjulupphängningen. En stelkroppsmekanisk analys hargjorts för att verifiera resultaten från den analytiska beräkningen. En FEManalyshar ävenutförts för att kontrollera hållfastheten. Belastningsfallen är bromsning, kurvtagning ochkörning över ojämnheter i vägbanan. Det mest utsatta fallet är en kombination av tvåbelastningsfall, när bilen passerar en ojämnhet i vägbanan samtidigt som den svänger i enskarp kurva. Krafterna i pushroden (tryckstången) blir då oerhört stora. Om ojämnheten är förstor och hastigheten är hög finns stor risk för att pushroden går av. Vid en hastighet på 100km/h och en ojämnhet på 20 mm blir impulskraften i pushroden 8760 N. En pushrod hardimensionerats till 12x2 mm. Alternativa utformningar samt olika materialval har jämförtsmed varandra för att hitta en optimal lösning. En kolfiberkonstruktion är mycketviktbesparande men kräver en helt annan geometri än den som finns på KTHR4. Den enklastetillverkningsmetoden för denna kolfiberkonstruktion är trådlindning (Filament winding).Denna metod kräver inga dyra maskiner. Glasfiberkonstruktionen är ett bra alternativ förhjulupphängningen då den skulle vara relativt enkel att tillverka.
This thesis within mechanical engineering is about further development of Aarmsandpull/push rod on a formula student car. A force analyses has been done to determine thedifferent loads that appears to a suspension system. A computer analyses have been done toverify the results from the analytical calculation. A FEManalysishas also been done to checkthe abrasion resistance. Different loads appear when the car brakes, turns or passes anirregularity on the track. The most critical loads appear when the car passes an irregularityand turns at the same time in high speed. The forces in the pushrod are then very huge. If theirregularity is large and the speed is high, the risk is imminent that the pushrod collapses. Atthe speed of 100 km/h and irregularity of 20 mm the force in the pushrod appears to be 8760N. A pushrod has been dimensioned to 12x2 mm. Alternative shaping and a different materialhas been compared to each others to find the optimal solution. A carbon fibre construction islight compared to steel construction, but needs total remodelling. The easiest way to producethis carbon fibre construction is to use filament winding. The fibreglass construction is also anappropriate alternative to the carbon fibre construction.
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Cozzens, Paul. "A Study on the Thickness of Plate Washers for Anchor Rod Applications." University of Cincinnati / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1627665709614063.

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Hrudík, Jan. "Přední náprava vysokovýkonného sportovního vozu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-443475.

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Tato diplomová práce byla psána při studentské zahraniční stáži, pod záštitou Evropské Unie – program „ERASMUS Student Mobility for Placement“. Stáž byla absolvována mezi prosincem 2010 a květnem 2011 ve společnosti a.d.Tramontana, mající sídlo v Palau de Santa Eulália, Španělsko. Pro kompletní návrh podvozku a odpružení jakéhokoli vozidla je nezbytná znalost mnoha technických disciplín. Tato diplomová práce se zabývá dvěma z nich – odpružení a řízení. Nejprve je rozebrána teorie, na kterou se může navázat v praktické části práce. Velká pozornost byla věnována srozumitelnosti textu a názornosti obrázků, bez zbytečných detailů, avšak bez vynechání důležitého. Tuto práci je tedy možné užít jako prvního kroku před návrhem podvozku. V další části je popsáno, jak byla probraná teorie využita při návrhu řízení u skutečného vozu, přičemž největší pozornost je věnována Ackermannově teorii řízení a geometrii zabraňující samořízení při propružení. V závěrečných částech je pozornost věnována ukázce některých z každodenních činností v malosériové výrobě automobilů – jde o zjištění maximálně možného pohybu kola při propružení a proces výroby příčných trojúhelníkových ramen včetně návrhu jejich připevnění k šasi.
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Wen, Hong-ta, and 溫宏達. "Light Emitting Diodes of Non-fully Conjugated Coil-like and Fully Conjugated Rigid-rod Heterocyclic Aromatic Homopolymers with Push-pull Pendants." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/2t244c.

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碩士
國立中山大學
材料科學研究所
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ABSTRACT Light emitting diodes of non-fully conjugated coil-like homopolymers and fully conjugated rigid-rod homopolymers with electron withdrawing or donating group were studied. A series of Poly[2,2-(m-2-X-phenylene)-4-4,-hexafluoroisopropane- bibenzoxazoles] (6F-PBO-X, with X = amine, hydrogen and nitro) and poly-p-(2-X- phenylene)-benzobisoxazole (PBO-X, with X = amine, hydrogen and nitro) were synthesized for light emitting diode applications to observe electroluminescence emission affected by electron withdrawing or donating group. All polymers were fabricated identically to form bi-layer light emitting diodes. In the devices, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonite)(PEDOT:PSS) was applied to be a hole transport layer; indium tin oxide (ITO) was the anode; and aluminum was the cathode. Devices of the non-fully conjugated coli-like polymers (6F-PBO-X) and the fully conjugated rigid-rod polymers (PBO-X) all showed threshold voltage about 4 V. In the electroluminescence (EL) spectrum, the maximum intensity of non-fully conjugated polymer (6F-PBO-X) with amine (-NH2), hydrogen (-H) or nitro (-NO2) functional group was at 499 nm, 505 nm and 515 nm, respectively, showing a 20 nm wavelength shift. From –NH2, -H and –NO2 groups, their Commission International de l`Eclairage (C. I. E.) coordinates were (0.30, 0.46), (0.34, 0.45) and (0.40, 0.46), respectively. The EL maximum intensity for fully conjugated rigid-rod polymer PBO-X was at 521 nm (-NH2) and 474 nm (-NO2) showing a 50 nm wavelength shift. Their C. I. E. coordinates were (0.42, 0.45) and (0.25, 0.38), respectively. This is attributed to the fully conjugated, collinear, coplanar, rigid-rod polymers (PBO-X) backbone readily affected by the push-pull functional groups showing a large red shift.
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Book chapters on the topic "Pull-rod"

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Yang, Zheng, Yiyuan Zheng, and Shan Fu. "Simulation of Pushing the Push-Pull Rod Action Based on Human Body Dynamics." In Digital Human Modeling and Applications in Health, Safety, Ergonomics, and Risk Management. Human Body Modeling and Ergonomics, 393–401. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39182-8_46.

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Müller, Ingo, W. Müller, and P. Villaggio. "Static and Dynamic Pull out of an Elastic Rod from a Rigid Wall." In Lecture Notes in Engineering, 195–202. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-88479-5_20.

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Conference papers on the topic "Pull-rod"

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Zhao, R. Y., J. Li, Y. Chen, H. C. Liang, H. Yao, B. X. Du, B. Y. Cu, Y. Yang, F. Liu, and X. L. Liu. "Defects Detection of High Voltage Insulation Pull Rod Based on Ultrasonic Wave Method." In 2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE). IEEE, 2020. http://dx.doi.org/10.1109/ichve49031.2020.9279505.

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Jin, Shoufeng, Jianwei Cheng, Huidong Tian, Zongliang Xie, Zehua Wu, and Zongren Peng. "Simulation Analysis of Internal Defects in GIS Disconnector on Electric Field of Pull Rod." In 2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE). IEEE, 2020. http://dx.doi.org/10.1109/ichve49031.2020.9279859.

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Lv, Qing-tao, Song Xue, Wan-qian Zhu, and Yuan Fu. "Pull-rod bent focusing mirror subassembly engineering analysis based on contact nonlinear analysis method." In International Symposium on Photoelectronic Detection and Imaging 2009, edited by X. C. Zhang, James M. Ryan, Cun-lin Zhang, and Chuan-xiang Tang. SPIE, 2009. http://dx.doi.org/10.1117/12.835553.

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Hu, R., B. Cui, Y. Chen, H. Wang, Z. Wu, Y. Lu, W. Liao, P. Liu, and Z. Peng. "Study on mechanical properties of insulation pull rod for UHV AC GIS circuit breaker." In The 16th IET International Conference on AC and DC Power Transmission (ACDC 2020). Institution of Engineering and Technology, 2021. http://dx.doi.org/10.1049/icp.2020.0219.

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Wenjin Song, Yongpeng Meng, Chuang Men, Bowen Zhu, and Yonghong Cheng. "Study on the ultrasonic detection method for internal defects of insulation pull rod in circuit breakers." In 2016 International Conference on Condition Monitoring and Diagnosis (CMD). IEEE, 2016. http://dx.doi.org/10.1109/cmd.2016.7757898.

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Tigrero, H., C. Lainez, and M. Salinas. "Pull & Push. Usage of the Mechanical Energy of a Conventional Sucker Rod Lift in Shallow Wells." In SPE Latin American and Caribbean Petroleum Engineering Conference. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/177177-ms.

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Wu, Bao-Jian, Su-Dong Yin, and Shi-Le Lv. "Research on broken causation of the march-fight transform equipment pull rod for some type anti-aircraft gun." In 2011 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (ICQR2MSE). IEEE, 2011. http://dx.doi.org/10.1109/icqr2mse.2011.5976696.

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Hu, Ruizhi, Haoran Wang, Boyuan Cui, Yun Chen, Yu Lu, Ao Gong, Wei Liao, Peng Liu, and Zongren Peng. "Study on Tensile Properties of Insulation Pull Rod Made of Different Fiber Reinforced Materials for 220kV GIS Circuit Breaker." In 2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE). IEEE, 2020. http://dx.doi.org/10.1109/ichve49031.2020.9279781.

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Hu, Ruizhi, Haoran Wang, Boyuan Cui, Zehua Wu, Yu Lu, Wei Liao, Peng Liu, and Zongren Peng. "Research on the Influence of Multiple Opening and Closing Operations on Tensile Properties of Insulation Pull Rod for GIS Circuit Breaker." In 2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE). IEEE, 2020. http://dx.doi.org/10.1109/ichve49031.2020.9279914.

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Sauer, Roger A. "A Finite Element Seta Model for Studying Gecko Adhesion." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67193.

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We present a hierarchical rod model which describes the deformation and adhesion of Gecko setae. These fine hairs form the microstructure of the Gecko toes and enable the Gecko to adhere to inclined and overhanging surfaces. The adhesion is modelled by the van der Waals interaction between the molecules of the seta tips and the surface. To bridge the gap between molecular and seta scale, an intermediate model is formulated for the seta tips, the so called spatulae. The hierarchical seta model is cast into a nonlinear finite element framework to study the pull-off behavior of a single seta from an underlying substrate.
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