Rectilinear translation planar nine-bar mechanism and method for constructing a rectilinear translation motion mechanism
A technology of translational movement and rod mechanism, which is applied in the direction of manipulators, manufacturing tools, mechanical equipment, etc., can solve the problems of small structural rigidity, low structural rigidity, and large occupied space, and achieve structural symmetry, high structural rigidity, and compact structure Effect
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[0039] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0040] like Figure 1a Shown is a plane nine-bar mechanism with a single degree of freedom that produces high-precision linear translation motion, consisting of a frame 1, a motion platform 2, several rods 3, 4, 5, 6, 7, 8, 9 and several Hinges 101, 102, 201, 202, 301, 401, 402, 403, 404, 501 are composed. The frame 1 and the motion platform 2 are connected by rods 3, 4, 5, 6, 7, 8 and hinges 101, 102, 201, 202, 301, 401, 402, 403, 404, 501.
[0041] The planar nine-bar mechanism has a left-right symmetrical form and is essentially a combination of a classic Roberts mechanism and two parallelogram scaling mechanisms. Classic Roberts institutions such as Figure 2a As shown, it is characterized in that the lengths of the two sides 4c and 4d of the rod 3, the rod 5 and the connecting rod 4 are equal. More generic Roberts institutions such as Figure 2b As ...
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