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Parallel mechanism with two-degree-of-free translation function

A two-dimensional translation and parallel technology, applied in manipulators, manufacturing tools, program-controlled manipulators, etc., can solve the problems of high processing cost and disadvantageous mechanism positioning accuracy, and achieve reduced processing costs, high motion transmission efficiency, and high motion speed. and the effect of acceleration

Active Publication Date: 2013-09-04
江苏小野智能装备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The limitation of the above mechanism is that the parallel frame has extremely high requirements on the processing accuracy of the connecting rod, which makes the processing cost very high and is not conducive to improving the positioning accuracy of the mechanism

Method used

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  • Parallel mechanism with two-degree-of-free translation function

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Embodiment Construction

[0010] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0011] see figure 1 , a parallel mechanism with two-dimensional translation, including a fixed frame 1, a moving platform 4, and two active branch chains with the same structure symmetrically arranged between the fixed frame 1 and the moving platform 4; each active branch chain It includes a master arm 2 and a slave arm 3, one end of the master arm 2 is fixedly connected to a rotary drive device, the rotary drive device is fixed on the fixed frame 1, and the other end of the master arm 2 is connected to the slave arm 2. One end of the boom 3 is connected by a rotary pair, and the other end of the driven arm 3 is connected with the moving platform 4 by a rotary pair; the parallel mechanism also includes a driven branch chain, and the two activ...

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Abstract

The invention discloses a parallel mechanism with a two-degree-of-free translation function. The parallel mechanism comprises a fixed frame, a movable platform, two driving branched chains identical in structure and a driven branched chain, the two driving branched chains are symmetrically arranged between the fixed frame and the movable platform and on two sides of the driven branched chain, the driven branched chain comprises two rod members in left-right parallelism, the upper ends of the rod members are connected with the fixed frame through a rotating pair while the lower ends of the same are connected with the end portion of a horizontal connecting rod, the fixed frame, the two rod members and the horizontal connecting rod form a parallelogram structure, a vertical connecting rod perpendicular to the horizontal connecting rod is fixedly connected below the middle portion of the horizontal connecting rod, and the movable platform comprises a transverse rod and a vertical rod which is vertically fixed above the middle portion of the transverse rod and connected with the vertical connecting rod through a moving pair. The parallel mechanism is low in manufacturing cost, smoother in operating and higher in motion transmitting efficiency.

Description

technical field [0001] The invention belongs to a parallel manipulator, in particular to a parallel mechanism with two degrees of freedom translation. Background technique [0002] Parallel robots have the advantages of no cumulative error, high precision, compact structure, high rigidity, and large load-carrying capacity. They have been widely used in military industry, biomedicine, and motion simulation in all aspects of life. At present, as an important part of a parallel robot, a parallel mechanism capable of two-degree-of-freedom translation includes two active branch chains and a moving platform, and each branch chain includes two parts: a master arm and a slave arm. One end of the active arm has only one degree of freedom of rotation relative to the fixed frame, and the other end is connected to one end of the driven arm through a rotating joint; the other end of the driven arm is connected to the moving platform through a rotating joint to ensure the translation of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/00
Inventor 杨文明刘松涛宋涛梅江平田二勋贾凯凯张新
Owner 江苏小野智能装备有限公司
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