Symmetrical and asymmetrical reconfigurable four-configuration parallel platform

An asymmetric, parallel technology, applied in the direction of manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problems of changing the working space, the parallel platform occupies a large area, and the adjustment range of the working space is small. The effect of sex, strong flexibility

Active Publication Date: 2016-09-28
GUANGXI UNIV
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Problems solved by technology

However, the small size of its work has always restricted its development. Chinese patent ZL 201510977107.6 announced a new type of parallel mechanism with reconfigurable characteristics. The parallel platform can change the working space by adjusting the area of ​​the fixed platform, improving the However, the parallel platform occupies a large area and the adju

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  • Symmetrical and asymmetrical reconfigurable four-configuration parallel platform
  • Symmetrical and asymmetrical reconfigurable four-configuration parallel platform
  • Symmetrical and asymmetrical reconfigurable four-configuration parallel platform

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Embodiment Construction

[0025] The technical solutions of the present invention will be further described below in conjunction with the drawings and embodiments.

[0026] Such as figure 1 , Figure 7 and Figure 8 As shown, the symmetric and asymmetric reconfigurable four-configuration parallel platforms described in the present invention have specific structures and connections as follows:

[0027] The three branch chains of this parallel platform have the same structure, the first side bar 5, the second side bar 13 and the third side bar 16 have the same structure, the first slide bar 3, the second slide bar 9 and the third slide bar 12 The structure is the same, the first Hooke hinge 2, the third Hooke hinge 8 and the fourth Hooke hinge 10 are connected to the moving platform 1, the second Hooke hinge 7, the fifth Hooke hinge 15 and the sixth Hooke hinge 17 Connected with the fixed platform 6, one end of the first sliding rod 3 is connected with the first Hooke hinge 2, the other end is connect...

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Abstract

Disclosed is a symmetrical and asymmetrical reconfigurable four-configuration parallel platform. Three branch chains of the parallel platform are of the same structure. A first hook joint, a third hook joint and a fourth hook joint are connected with a movable platform. A second hook joint, a fifth hook joint and a sixth hook joint are connected with a fixed platform. A first arc rotary plate is installed on a first side rod. A second arc rotary plate is installed on a second side rod. A third arc rotary plate is installed on a third side rod. The parallel platform can be flexibly switched between a symmetrical structure and asymmetrical 3-UPU, 2-UPU-URU, 2-URU-UPU and 3-URU configurations, work space of the parallel platform is enlarged on the basis that the advantage of high bearing capacity of the parallel platform is kept, and the parallel platform has wide prospects in engineering application.

Description

technical field [0001] The invention relates to the field of mechanical design, in particular to a symmetrical and asymmetrical reconfigurable four-configuration parallel platform. Background technique [0002] The parallel mechanism is a closed-loop motion system composed of multiple parallel branch chains, that is, one end of multiple parallel branch chains is connected to an end effector (moving platform) at the same time. Since the successful application of Steward mechanism in tire testing and flight simulators, parallel mechanism has been the research object of many scholars. Compared with the traditional serial mechanism, the parallel mechanism (PM) has greater stiffness, load and higher precision. However, the small size of its work has always restricted its development. Chinese patent ZL 201510977107.6 announced a new type of parallel mechanism with reconfigurable characteristics. The parallel platform can change the working space by adjusting the area of ​​the fix...

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Application Information

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IPC IPC(8): B25J9/00
CPCB25J9/0063
Inventor 王汝贵廖益丰李屹豪张成东郑安平严叶文衡东岭
Owner GUANGXI UNIV
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