Design of a Spatial RPR-2SS Valve Mechanism-Reference-Cited by-同舟云学术

Design of a Spatial RPR-2SS Valve Mechanism

Published:2018-05-31 Issue:4 Volume:10 Page:
ISSN:1942-4302
Container-title:Journal of Mechanisms and Robotics
language:en
Short-container-title:

Author:

Wang Peter L.¹,Rhem Ulrich²,Michael McCarthy J.¹

Affiliation:

1. Robotics and Automation Laboratory, University of California, Irvine, CA 92697 e-mail:

2. Dr. Rehm Tunnelling Consultant GmbH, Lotzbeckstr., 25, D-77933, Lahr 77933, Germany e-mail:

Abstract

This paper applies kinematic synthesis theory to obtain the dimensions of a constrained spatial serial chain for a valve mechanism that cleans and closes a soil conditioning port in a tunnel boring machine. The goal is a smooth movement that rotates a cylindrical array of studs into position and then translates it forward to clean and close the port. The movement of the valve is defined by six positions of the revolute-prismatic-revolute (RPR) serial chain. These six positions are used to compute the dimensions of the two spherical spherical (SS) dyads that constrain the RPR chain to obtain a one degree-of-freedom spatial mechanism. An example design of this valve mechanism is provided in detail.

Funder

"Division of Civil, Mechanical and Manufacturing Innovation"

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/mechanismsrobotics/article-pdf/doi/10.1115/1.4040027/6259526/jmr_010_04_044504.pdf

Reference14 articles.

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2. Maschineller Tunnelvortrieb Unter Sehr Schwierigen Geologischen Verhältnissen;Tunnel-Tiefbautagung Gyoer,2004

3. Jancsecz, S., Krause, R., Langmaack, L., 1999, “Advantages of Soil Conditioning in Shield Tunnelling: Experiences of Lrts Izmir,” Challenges for the 21st Century, pp. 865–875.

4. Closed Form Synthesis of Spatial Function Generating Mechanism for the Maximum Number of Precision Points;ASME J. Eng. Ind.,1973

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