scott russell mechanism application

In order to solve the above problem, a Scott Russell mechanism device according to the present invention, a joint unit may be pivotably coupled to the tip end part of the main arm member. In the present invention, the joint unit, the rotation unit, and the pivoting unit are coupled to each other in this order. A rotation unit having a rotor may be coupled to the pivoting member. Note that, the substantially parallel angle means that it does not require an accurate parallelism with respect to the sub arm member but includes a slight angle variation, and in the present invention, the substantially parallel angle can be said to be parallel as long as it is within a range of 10 with respect to the axis of the sub arm member in the longitude direction (also in other parts of description a variation range of 10 with respect to the accurate parallelism is included in the meaning of the phrase substantially parallel). In the present invention, when the coupling angle is changed so that the base end parts of the main arm member and the sub arm member are most separated from each other, the degree of the curve of the main arm member is defined such that the second section of the main arm member is in a substantially parallel orientation to the linear sub arm member. The Scott Russell mechanism device of, 13. ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SASAKI, HIROMICHI;SHIMIZU, MIKIO;ICHIKAWA, YASUNORI;REEL/FRAME:031303/0431, PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY. Classified in two types: 1- Exact straight line mechanisms:- Paucellier mechanism, Hart mechanism, Scott-Russel mechanism, Kempe mechanism,etc. The mechanism with bridge-type flexure hinges is developed and optimized to amplify the displacement of a multilayer piezostack by Kim et al. Scott Russell's Mechanism - Special Mechanism - Kinematics of Machinery Ekeeda 914K subscribers Subscribe 44 2.1K views 7 months ago Subject - Kinematics of Machinery Video Name - Scott. SCOTT RUSSEL MECHANISM [THEORY OF MACHINES] 1,251 views Sep 9, 2018 A Scott Russell linkage gives a theoretically linear motion by using a linkage form with three portions of the links all. A pivoting axis of the pivot of the joint unit may be in parallel to an axis of the pivots of the main arm member and the sub arm member at the coupling position. The present invention is made in view of the above situations, and aims to provide a Scott Russell mechanism device that is capable of drawing close to a tip end part of a main arm member proximally to a sub arm member by forming the main arm member into a boomerang-like shape without arranging both of the arm members offset from each other. Moreover, in the Scott Russell mechanism device according to the present invention, a joint unit may be pivotably coupled to the tip end part of the main arm member. Japanese Patent Office, International Search Report of PCT/JP2012/058634, Jun. 11. 10, 2015, Germany, 6 pages. For this description to be true the acting length of the short link, the blue one, needs to be half as long as the active length of the green one and the pin that connects them must be . Assignors: ICHIKAWA, YASUNORI, SASAKI, HIROMICHI, SHIMIZU, MIKIO, HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS, MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES, Programme-controlled manipulators characterised by positioning means for manipulator elements, Programme-controlled manipulators characterised by positioning means for manipulator elements with articulated links, MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING, ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL, Gearings comprising primarily only links or levers, with or without slides, Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane, Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for conveying or interconverting oscillating or reciprocating motions, Programme-controlled manipulators characterised by movement of the arms, e.g. Jasen Russell tendre la recherche. In the present invention, the joint unit, the rotation unit, and the pivoting unit are coupled to each other in this order. The present invention is made in view of the above situations, and aims to provide a Scott Russell mechanism device that allows a main arm member and a sub arm member to pivot at a base end part of both of the arm members to reduce a drive torque for turning both of the arm members, and to increase the degree of freedom in postures of various kinds of units attached to a tip end of the main arm member compared to the conventional degree. Grasshopper Mechanism: This mechanism is a modification of the Scott-Russell Mechanism. Further, when both of the base end parts of both of the arm members are moved in the same direction by the same amount, both of the arm members can be moved entirely while keeping their postures. wherein the main arm member is formed linearly in a first section extending from the base end part to the part corresponding to the coupling position and in a second section extending from the part corresponding to the coupling position to the tip end part, and the part corresponding to the coupling position is curved, and. The proposed stage showed the first natural frequency of 57 Hz and the maximum stroke of 122.84 m, 108.46 m, 0.685 mrad in the x-, y-, and -direction, respectively. ARTICULATED MOTORIZED ARM WITH CABESTAN WITH CABLE COMPRISING A BRAKE. The Scott Russel mechanism converts linear motion in one direction to another direction. By the constraints of the geometry point A moves in a circular path and as the point A moves in a circle point P traverses an exact straight line path normal to the line joining O2 and O4.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'brighthubengineering_com-large-mobile-banner-1','ezslot_14',174,'0','0'])};__ez_fad_position('div-gpt-ad-brighthubengineering_com-large-mobile-banner-1-0'); From the construction of the Peaucellier linkage it is clear that this is a much more complex mechanism than the mechanisms generating approximate straight lines, which were simple four bar linkages. In this mechanism, the slider is replaced by a link traveling . a second ball screw arranged in parallel to the first ball screw; and, a second linearly-moving unit for being linearly moved by a rotation of the second ball screw, and, wherein either one of the base end part of the sub arm member or the base end part of the main arm member is pivotably coupled to the second linearly-moving unit about the virtual straight line as the pivoting axis thereof. wherein a base end part of the main arm member and a base end part of the sub arm member that is on the opposite side from the coupling side of the sub arm member are positioned on the same virtual straight line, and a first distance from the base end part of the main arm member to a coupling position of the main arm member to the sub arm member, a second distance from the coupling position of the main arm member to a tip end part thereof, and a third distance from the base end part of the sub arm member to the coupling position are equal to each other. These displacement amplifier mechanisms often have a proper amplification ratio capable of large working strokes; however, their low resonant frequency limits their application in high-performance jet dispensers. Table drive device and work system equipped with table drive device, Driving equipment and the Workpiece clamping unit equipped with the driving equipment. Moreover, in the present invention, the pivoting member is pivotably coupled to the joint unit and the rotation unit having the rotor is coupled to the pivoting member. A joint unit pivotably coupled to a tip end part of a main arm member of a Scott Russell mechanism is pivoted in two ways. Conventionally, various kinds of devices using a Scott Russell mechanism exist. [0016]. Therefore, the application of the Scott Russell mechanism device according to the present invention expands. for multi-joint type robot, Gravitation balancing device, articulated robot, and wrist device for robot, Manipulator with flat or three-dimensional trajectory suitable for high operating rate, Mechanical arm with a 2 freedom-degree wrist attitude regulation mechanism, Exhaust gas purification catalyst and method for producing the same, Motor-driven device for moving workpieces, Pick and place device having two parallel axes, Scara type robot with counterbalanced arms, Manipulator, manufacturing machine and production line using the same. wherein the device comprises a pivot driving unit provided at any portion from the coupling position toward the tip end side of the main arm member and for pivoting the joint unit. HVAC: Heating, Ventilation & Air-Conditioning, Peaucellier Exact Straight Line Mechanism, Scott-Russell Exact Straight Line Mechanism, This post is part of the series: Kinematics - Design of Mechanisms, How to Calculate Cement, Sand and Aggregates in a Beam | Step by Step, Kinematics - Design of Mechanisms: Introduction, Kinematics Design of Mechanisms: Kinematic Inversion, Kinematics Actuation of Machines: Part I Electrical Actuation, Kinematics Actuation of Machines: Part II Hydraulic Actuation, Kinematics Actuation of Machines: Part III Pneumatic Actuation, Kinematics - Analysis of Mechanisms: Methods and Techniques, Kinematics - Synthesis of Mechanisms: Methods and Techniques, Kinematics - Special Mechanisms: Straight Line Mechanisms - II. In the present invention, the rotation unit having the rotor is coupled to the joint unit. IPTC (1) NACE (2) OTC (1) Date. SQUSE INC., JAPAN, Free format text: Therefore, compared to the case of coupling the units in an order different from above, the pivoting unit positioned at the farthest tip end can perform the postural displacement in a different range. a first ball screw arranged in parallel to the virtual straight line; and, a first linearly-moving unit for being linearly moved by a rotation of the first ball screw, and, wherein either one of the base end part of the main arm member or the base end part of the sub arm member is pivotably coupled to the first linearly-moving unit about the virtual straight line as the pivoting axis thereof, and. 9.8. A Scott Russell mechanism device pivotably couples a main arm member and a sub arm member to each other, as well as it pivotably couples a joint unit to a tip end part of the main arm member. The angle changer may have a first ball screw arranged in parallel to the virtual straight line, and a first linearly-moving unit for being linearly moved by a rotation of the first ball screw. wherein the device comprises a pivoting drive source for driving the pivots of the main arm member and the sub arm member centering on the pivoting axis. Freemantle straight-line linkage from British Patent 2741, November 17, 1803. Therefore, as for the application of the Scott Russell mechanism device according to the present invention, the posture of the joint unit can be changed in the total of two kinds of manners. An axis of the pivot of the pivoting member may be in parallel to the pivoting axis of the joint unit. ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SASAKI, HIROMICHI;SHIMIZU, MIKIO;ICHIKAWA, YASUNORI;REEL/FRAME:031303/0431, Free format text: The dynamic equations of a micro-positioning Scott-Russell (SR) mechanism associated with two flexible hinges and an offset are developed and it is found that offsets of flexure hinges obviously affect the amplifying factor and linearity ratio, and appear to dominate the changes of magnification factors. Perfect straight lines can also be generated using a linkage mechanism. Application: Creates an approximate straight line if sliding along flat plane. Moreover, in the Scott Russell mechanism device according to the present invention, the sub arm member may be linearly formed. In the present invention, the joint unit, the rotation unit, and the pivoting unit are coupled to each other in this order. PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY. Machine Kinematics Questions and Answers - Application of Kutzbach Criterion to Plane Mechanisms ; advertisement. Ce bouton affiche le type de recherche actuellement slectionn. 1 (b), where the condition that the motion of the point B follows a vertical motion when the driving point A moves along horizontal direction is that the links AC=BC=OC. However, a bridge-type mechanism with an external load always works in an energy-inefcient situation due to the storage of strain energy in the exural hinges, which can be validated by the analytical model established in this paper. Learn CAD with SolidWorks 2008- Create new sketch tutorial by John Sinitsky, Creating new file in CAD program - Overview of SolidWorks2008 Menu by John Sinitsky. Note that, a direction of the X-axis illustrated in, About the above-described angle on the coupling position, When the coupling angle between the main arm member, In a case where the main and sub arm members, Therefore, for example, when the second motor M, Note that, in a case where the change of increasing the coupling angle is desired to be performed quickly, the rotations of the first and second motors M, Note that, the rotations of the first and second motors M, Note that, the Scott Russell mechanism device, Moreover, in a case where it is desired to point the gripping unit, Further, regarding the mechanism for pivoting the joint unit, Moreover, with the configuration as described above, it is suitable for the fourth motor M, Moreover, other than the application of gripping, for example, in a case of applying to the application of placing and moving the workpieces, a placing unit or the like is attached instead of the gripping unit, That is, the Scott Russell mechanism device, As for the Scott Russell mechanism device, Note that, also as for the Scott Russell mechanism device, Therefore, also in the third embodiment, similarly to the first embodiment, if the control on the fourth motor by a motor controller (corresponding to a switch means) provided accompanying the Scott Russell mechanism device, According to the configuration above, also as for the Scott Russell mechanism device. The application of the Scott Russell mechanism device according to the present invention expands by attaching various kinds of units corresponding to various applications to its rotor. 15, 2011, WIPO, 4 pages. In the present invention, the pivoting of the joint unit pivotably coupled to the tip end part of the main arm member is driven by the pivot driving unit. This paper presents the structural design and analysis of a novel compliant gripper based on the Scott-Russell (SR) mechanism. ULTRASOUND SYSTEM FRONT-END CIRCUIT FOR A 128-ELEMENT ARRAY PROBE Publication number: 20220381890 These mechanisms are governed by Kinematics the study of geometry and motion. Therefore, the posture of the joint unit can be controlled freely. Therefore, the gripping unit can be pivoted proximally to the workpiece which is the gripping target, and the Scott Russell mechanism device including a gripping function suitable for such a gripping application can be provided. A straight-line mechanism causes a point to travel in a straight line, or in a nearly straight line, without being guided by a plane surface. Any in SPE Disciplines (4) Conference. The device may include a pivoting drive source for driving the pivots of the main arm member and the sub arm member centering on the pivoting axis. Therefore, as for the application of the Scott Russell mechanism device according to the present . Stuart J. Russell and Peter Norvig Upper Saddle River, New Jersey 07458. Either one of the base end part of the sub arm member or the base end part of the main arm member may be pivotably coupled to the second linearly-moving unit about the virtual straight line as the pivoting axis thereof. Application: this is a mechanism for connecting two shafts having parallel misalignment. Moreover, in the Scott Russell mechanism device according to the present invention, a pivoting member may be pivotably coupled to the joint unit. wherein a pivoting axis of the pivot of the joint unit is in parallel to an axis of the pivots of the main arm member and the sub arm member at the coupling position, and. As detailed in the previous articles there are many four bar linkage based mechanisms which can generate straight lines. Scott-Russell Exact Straight Line Mechanism The complexity of the mechanisms to generate exact straight lines can be reduced by introduction of one or more slider crank linkages. a sub arm member pivotably coupled to the main arm member; and. 4. Fundamentals of Modern Manufacturing - Mikell P. Groover 1996-01-15 This book takes a modern, all-inclusive look at manufacturing . Further, in the Scott Russell mechanism device according to the present invention, a gripping unit may be attached to the rotor of the rotation unit.

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