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Multiple connection rod inserting movement mechanism

A kinematic mechanism and multi-link technology, which is applied in the direction of manipulators, motor vehicles, building components, etc., can solve the problem of single changing shape and achieve the effect of enriching deformation actions

Active Publication Date: 2013-09-25
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention: the deformation mechanism is mostly a mechanism with one degree of freedom, and the shape of the change is relatively single

Method used

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Embodiment approach

[0040] Multi-link interspersed motion mechanism, such as figure 1 As shown, it includes front triangular plane (A), rear triangular plane (B) and three connecting rod groups (7), (8), (9) connecting them and six side plates (16), (17) , (18), (19), (20), (21).

[0041] Such as figure 2 , the front triangular plane (A) contains the first to third electric push rods (1, 2, 3), the first to third cross shafts (10, 11, 12), and two clutch motor groups (2-2) , (3-2), three push rod end blocks I (1-1, 2-1, 3-1), three push rod end blocks II (1-3, 2-3, 3-3);

[0042] The shape of the front triangular plane (A) is an equilateral triangle; wherein, the thin end of the first electric push rod (1) is welded and fixed to the push rod end block I (1-1), and the first electric push rod The butt end of the rod (1) is welded to the push rod end block II (1-3), and the first electric push rod (1), push rod end block I (1-1) and push rod end block II (1-3) ) together as the first side of t...

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Abstract

A multiple connection rod inserting movement mechanism comprises a front triangular plane (A), a rear triangular plane (B) and three connection rod groups (7) for connecting the two triangular planes (A and B). Each triangular plane comprises three power-driven push rods (1, 2, 3, 4, 5 and 6) and connection members of the power-driven push rods, axes of the three power-driven push rods in each triangular plane form angles of 60 degrees respectively, and each plane looks like an equilateral triangle. The three connection rod groups connect six universal joint pins at corresponding vertexes of the two triangular planes together to form an integrity in a rotating pair mode. Each triangular plane of the multiple connection rod inserted movement mechanism can finish respective extending and contracting through synchronous extending and contracting of the power-driven push rods. One triangular plane is controlled to be expanded and the other one is controlled to be contracted, and through driving of steering engines in the three connection rod groups and two motors on the triangular planes, the contracted triangular plane can penetrate the expanded triangular plane in an inserting mode.

Description

technical field [0001] The invention relates to a deformation mechanism, in particular to a multi-link interspersed motion mechanism. Background technique [0002] The deformation mechanism refers to the mechanism that has a certain stretching ability to change the shape. The scissor mechanism of the pure rotating pair can complete the deformation with a large expansion ratio, and is widely used in simple mechanical arms and sliding doors. The scaling mechanism of the purely moving pair can complete the action of reducing and enlarging the shape of the mechanism in proportion. Contents of the invention [0003] The technical problem to be solved by the present invention: the deformation mechanism is mostly a mechanism with one degree of freedom, and the shape of the change is relatively single. The invention utilizes the zooming motion of the telescopic rods and the parallel connection of the rod groups to form a mechanism with a wide range of deformation and motion capa...

Claims

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Application Information

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IPC IPC(8): B25J11/00E06B7/00B62D57/00
Inventor 姚燕安李锐明李晔卓郝艳玲
Owner BEIJING JIAOTONG UNIV
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