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Parallel mechanism with composite sliding telescopic rod

A telescopic rod and parallel technology, applied in the direction of manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problems of being easily damaged and unstable, and achieve the effect of expanding the working space, simplifying the assembly, and reducing the number of branches.

Active Publication Date: 2021-01-22
CIVIL AVIATION UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, most mechanisms with telescopic rods use a single telescopic rod to save space, which is unstable and more vulnerable to damage

Method used

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  • Parallel mechanism with composite sliding telescopic rod
  • Parallel mechanism with composite sliding telescopic rod
  • Parallel mechanism with composite sliding telescopic rod

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Embodiment Construction

[0026] The parallel mechanism provided by the present invention including the composite sliding telescopic rod will be described in detail below in conjunction with the accompanying drawings.

[0027] Such as figure 1 — Figure 10 As shown, the parallel mechanism provided by the present invention including the sliding composite telescopic rod includes a fixed platform 1, a moving platform 2, a first branch chain I, a second branch chain II, a third branch chain III and a fourth branch chain IV;

[0028] Wherein, fixed platform 1 comprises base 101, first guide rail 102, second guide rail 103 and three first Hooke hinge supports 104; Wherein, base 101 is fixed on the ground; Three first Hooke hinge supports 104 are The character shape is installed on one side of the surface of the base 101; the first guide rail 102 and the second guide rail 103 are linear guide rails, and the lower ends are symmetrically fixed on the other side of the surface of the base 101 at intervals, and ...

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Abstract

The invention discloses a parallel mechanism with a composite sliding telescopic rod. The parallel mechanism with the composite sliding telescopic rod comprises a fixed platform, a movable platform, afirst branch chain, a second branch chain, a third branch chain and a fourth branch chain, and has three translational degrees of freedom and two rotational degrees of freedom. The parallel mechanismwith the composite sliding telescopic rod provided by the invention has the advantages that on one hand, the composite sliding telescopic rod branch chains are adopted, the number of the branch chains of the mechanism is reduced, and interference is reduced, so that the flexibility of the mechanism can be improved, the working space of the mechanism is enlarged, and the mechanism can complete more complex movement relative to a single telescopic rod mechanism; and on the other hand, the three sliding telescopic rod branch chains with the same structure are adopted, so that the transmission efficiency of the mechanism in the vertical direction can be improved, the structure is simple, assembling is easy and convenient, and the manufacturing and machining difficulty is lowered. The parallelmechanism with the composite sliding telescopic rod provided by the invention is suitable for part machining and assembling and other machining environments needing multi-degree-of-freedom and high flexibility.

Description

technical field [0001] The invention belongs to the technical field of parallel mechanisms, in particular to a parallel mechanism containing a composite sliding telescopic rod. Background technique [0002] Parallel mechanism has been widely used in modern manufacturing industry. Compared with series mechanism, parallel mechanism has the advantages of high rigidity, stable structure, large bearing capacity and high precision. Machining complex parts requires high flexibility of the mechanism, requiring at least five degrees of freedom of motion. [0003] If the configuration of the composite sliding telescopic rod is applied to the parallel mechanism, the space can be effectively used, and it has the advantages of strong stability and long service life. Chinese patent CN201610460193.8 discloses a new type of sliding wheel with a telescopic connecting rod. The user can change the distance between the two sliding plates by adjusting the telescopic connecting rod during use. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/00
CPCB25J9/0072
Inventor 吴孟丽张悦吕东洋陈莫王旭浩张军唐杰
Owner CIVIL AVIATION UNIV OF CHINA
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