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Single-degree-of-freedom straight line translation spacing connecting rod mechanism

A six-link, translational technology, used in manipulators, claw arms, manufacturing tools, etc., can solve the problems of difficult guarantee, large space occupation, unfavorable engineering applications, etc., and achieves small space occupation, simple structure, and wide angle adaptability. range effect

Inactive Publication Date: 2007-02-28
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This rectangular moving platform C 1 C 2 Hejing Platform A 1 A 2 The structural form is not only difficult to guarantee but also takes up a lot of space, which is not conducive to engineering applications

Method used

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  • Single-degree-of-freedom straight line translation spacing connecting rod mechanism
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  • Single-degree-of-freedom straight line translation spacing connecting rod mechanism

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Embodiment Construction

[0020] The structure, principle and specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0021] Fig. 3 is a schematic structural diagram of the single-degree-of-freedom linear translation space six-bar linkage mechanism provided by the present invention. Wherein the structural form of the fixed base 2 and the angle between the axes of the rotating shafts A (x-axis) and F (y'-axis) at both ends are set as ψ, and the orthogonal relationship when ψ=90° is shown in Figure 4 . The space six-bar linkage mechanism includes a front crank 1, a fixed base 2, a front rocker 3, an end member 4, a rear rocker 5 and a rear crank 6 six rods and six rotation pairs A, B, C, F, E and D; the end member 4 is composed of the middle plate 9 and the left lug 7 and the right lug 11 arranged at both ends, and the two planes where the left and right lugs are located are non-coplanar and non-parallel, The two planes where the...

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Abstract

The invention discloses a single-freedom straight-line displacement spatial six-connecting rod mechanism, which comprises the following parts: fixed base, front crank, front swaying rod, end component, back swaying rod and back crank, wherein the end component is composed of middle flat board and left and right suspending ears on two ends, two planes of left and right ears are on the same plane but not paralleling, which parallels two intersecting lines with middle flat board, the axle of three rotary spoke A, B and C of mobile chain ABC parallel mutually, which are perpendicular to the surface determined by connecting rod AB and BC, the axle of three rotary spoke F, E and D of mobile chain FED parallel mutually, which are perpendicular to the surface determined by connecting rod FE and ED, the separation angle of surface of AB and BC and surface of FE and ED equals the separation angle of left and right suspending ears on the surface.

Description

technical field [0001] The invention relates to a space multi-link mechanism, in particular to a space link mechanism with single-degree-of-freedom precise linear translation movement consisting of a link and a rotating pair, and belongs to the technical field of mechanical structure and mechanism. Background technique [0002] In the history of mechanism development, in order to achieve precise linear motion, people invented the crank-slider mechanism. However, such a mechanism requires a rigid guide rail. When the guide rail is straight, the slider will move in a straight line; when the guide rail is curved, the slider will move in a curved line. Thus, the linearity of the motion of the crank-slider mechanism is in a sense completely dependent on the guide rails. [0003] In order to avoid the linearity of this type of mechanism movement being limited by the guide rail, mechanism scholars have conducted research on mechanisms that are completely connected by connecting ro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J18/00
Inventor 赵景山褚福磊
Owner TSINGHUA UNIV
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