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Self-adaptive rotating platform mechanism

A rotating platform, self-adaptive technology, applied in the direction of supporting machines, mechanical equipment, machines/brackets, etc., can solve the long manufacturing and debugging cycle of the rotating platform mechanism, the inability of the ring platform to complete the rotating motion, and the failure to utilize the stiffness of the upper arc guide rail and other problems, to achieve the effect of increasing structural rigidity, large bearing capacity, and good motion stability

Active Publication Date: 2014-12-03
BEIHANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When multiple arc-shaped guide rail sliders are installed on a circular platform at the same time, due to the geometric error of the arc-shaped guide rails, interaction between multiple arc-shaped guide rail sliders is easy to occur, which makes certain rotation angle positions generate resistance, and in severe cases The ring platform cannot complete the 360°rotational movement
The manufacturing and debugging cycle of the rotary platform mechanism is long, and the debugging process is difficult
In addition, the ring platform is installed on multiple arc-shaped guide rail sliders. The stiffness of the ring platform itself is completely determined by its own material. The stiffness of the upper arc-shaped guide rail is not used. When there is a rigidity requirement for the ring platform, there is a waste of stiffness materials. occur

Method used

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  • Self-adaptive rotating platform mechanism

Examples

Experimental program
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Effect test

Embodiment Construction

[0025] The self-adaptive rotating platform mechanism of the present invention includes an upper platform 1, a middle support mechanism 2 and a bottom substrate 3, such as figure 1 , figure 2 , image 3 shown.

[0026] The upper platform 1 includes a rotating platform 101 , a ring rack 102 , a ring guide rail 103 and a guide rail slider 104 . Wherein, the rotating platform 101 is an annular plate-shaped structure; the upper surface of the rotating platform 101 is located on the inner circumference of the rotating platform 101 and is designed with a step mounting surface; the ring rack 102 is fixed with the step mounting surface so that the teeth of the ring rack 102 face Inside the rotary platform 101, the rotation of the rotary platform 101 is realized by the drive motor through the cooperation of the gear and the ring rack 102; Rotation of the ring rack. The lower surface of the rotary platform 101 is coaxially equipped with a circular guide rail 103 on the circumferenti...

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PUM

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Abstract

The invention discloses a self-adaptive rotating platform mechanism. The self-adaptive rotating platform mechanism comprises an upper platform, a middle supporting mechanism and a bottom base plate. An annular guide rail is mounted on the lower surface of the upper platform in a lifting manner, namely the guide rail is positioned above guide rail sliders; the guide rail sliders are connected with the bottom base plate through the middle supporting mechanism; the middle supporting mechanism is provided with two solid supports to guarantee support stiffness of the upper platform; the two supports are in knuckle bearing structures to realize self-adaptive adjustment of the upper platform in movement. The self-adaptive rotating platform mechanism has the advantages that tolerance is improved, errors of + / -2mm in height of the supports are allowed, errors in peripheral position distribution of the supports, large manufacturing errors of arc guide rails and roundness errors in splicing and mounting of the arc guide rails are allowed, and utilization precision is unaffected while smoothness in rotational motion is guaranteed.

Description

technical field [0001] The invention belongs to the field of mechanical mechanism design, and relates to a rotating platform mechanism, which can realize single-degree-of-freedom rotation and increase the tolerance capacity, and can still ensure smooth rotating motion when there is an installation error, while not affecting the use accuracy. Background technique [0002] The film industry has always evolved with the latest technology. At present, the storage media, production and management methods of movies are closely related to digital technology, and digital technology has become a necessary means of movie production. In digital movies, digital special effects, which occupy an important position, make movie special effects a qualitative leap forward. Camera motion control technology, that is, motion matching with the object and path reproduction are one of the key technologies of digital special effects. [0003] Due to the precise storage of trajectory data, trajectory...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16M11/04F16M11/42
Inventor 汪苏贺京杰苗新刚
Owner BEIHANG UNIV
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