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RISS 인기검색어
- 검색키워드
- 저자 : Zhurong Yin (검색결과 4 건)
- 무료
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Kongshu Deng,Yuanyuan Li,Zhurong Yin 대한기계학회 2016 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.30 No.1
The objective of this research is to investigate force distribution characteristics for propelling system of tunneling machines in mixedground. First, a mechanical model for pushing system in composite strata is constructed. Then, eccentricity trunk is determined usingspatial force ellipse eccentricity to measure the degree of uniformity of forces applied on rear segments in a thrust system. Finally, theeccentricity trunk is used to the thrust system of a tunneling machine applied in engineering. Force distribution performance of variousarrangements with equal quantities of jacks is discussed in detail. Results from virtual prototype simulation prove the numerical analyticalresults. A theoretical foundation and support is provided for the design of non-equidistant pushing system of tunneling machines undercomposite stratum.
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ANALYSIS OF FORCE TRANSMISSION CHARACTERISTICS OF MODULAR DEFORMABLE TIRE
Kongshu Deng,Lu Zeng,Yicheng Ding,Zhurong Yin 한국자동차공학회 2020 International journal of automotive technology Vol.21 No.5
In order to improve the explosion-proof, puncture-proof and safety performance of tires, a new type of modular deformable tires which can be used in complex road conditions has been put forward. The main innovation is the absence of so-called inner tubes and the modular design of the tire — which mainly consist of six petal-shaped connecting blocks and wheel frames. Firstly, this paper analyzes the structure and working principle of the tire. On this basis, the mechanical modeling of the tire under driving and braking conditions has been established. At last, through ADAMS software, the dynamic simulation of this tire under four circumstances of driving, accelerating, decelerating and braking has been carried out, and the response characteristic curves have been obtained The simulation results show that the force transmission performance of the modular deformable tire is rather good under the above four conditions. The simulation results provide a theoretical foundation and guidance for the structural design of new modular deformable tires.
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Equivalent Vertical Stiffness Design of Modular Deformable Wheel
Kongshu Deng,Yicheng Ding,Lu Zeng,Zhurong Yin,Hailiang Wu,Dilei Qian 한국자동차공학회 2021 International journal of automotive technology Vol.22 No.1
This study aims to determine the structural parameters of the equivalent vertical stiffness design of a modular deformable wheel. A gas stiffness model in the air cavity of the modular deformable wheel is established on the basis of the wheel’s structure and the ideal gas equation. Then, the change curve of the radial stiffness of the modular deformable wheel is obtained, and the design model of the equivalent vertical stiffness of the wheel is constructed on the basis of the gas stiffness model. Finally, some relevant design parameters of heavyweight and lightweight wheels are obtained through numerical calculation based on existing experimental data. The results show that the design parameters of the equivalent vertical stiffness of the modular deformable wheel can meet the ride comfort requirements of vehicles. The obtained wheel structure parameters and mechanical parameters will provide effective theoretical compliance for the selection of this type of wheel. Moreover, this modular deformable wheel not only meets the requirements of the riding comfort of pneumatic wheels, but also has the advantages that common pneumatic wheels do not have (such as explosion-proof and puncture-proof functions), which also provides the practical theoretical basis for the use and promotion of this wheel in the complex geological environment.
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Force transmission performance for a novel deformation wheel with crank slider mechanism
Kongshu Deng,Hailiang Wu,Yicheng Ding,Lu Zeng,Zhurong Yin,Dilei Qian 대한기계학회 2020 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.34 No.6
This study aims to analyze the force transmission characteristics of a novel wheel composed of a mechanism of planar crank slider with virtual constraints. The principle of kinematic inversion is applied to analyze the force transmission characteristics of deformable wheel in an innovative way. First, the structural design of deformable wheel and diagram of mechanism motion are presented. Second, the model of force transmission characteristic of deformable wheel is established on the basis of principle of kinematic inversion. Third, the force changes in the two pairs of springs in the deformable wheel are investigated using MATLAB and ADAMS. Finally, the force transmission performance between the deformable and elastic wheel is compared. Results show that the possibility of a flat wheel can be avoided under severe geological conditions, and the force transmission performance is better than that of the traditional elastic wheel. The results of this study can provide theoretical guidance in designing a novel nonpneumatic wheel.
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