Cable traction translational motion platform and method for large-scale facade operation

A motion platform, a large-scale technology, applied in the direction of lifting devices, etc., can solve the problems of large working space, limited rotational freedom, increased cost and control difficulty, etc., and achieves the effect of large motion range and restraining rotational freedom.

Inactive Publication Date: 2020-02-21
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in some special cases, we only need the end effector to perform only translational motion, such as a platform for cleaning the outside of a building, which needs to restrict its rotational freedom
Existing mechanisms for achieving translational motion either use multiple drive motors, or use counterweights to prevent rotation. The former increases cost and control difficulty, while the latter makes the working space larger, both of which have problems

Method used

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  • Cable traction translational motion platform and method for large-scale facade operation
  • Cable traction translational motion platform and method for large-scale facade operation
  • Cable traction translational motion platform and method for large-scale facade operation

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Embodiment Construction

[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0023] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, a large-scale facade operation cable traction translational motion platform includes a frame 4, a motion platform 2, a drive motor 101, an adjustment motor 301, two translational drive branch chains and two pull-down tension branch chains, wherein , two parallel drive branch chains connect the motion platform 2 to the output shaft of the drive motor 101, two pull-down tension branch chains connect the motion platform 2 to the plane scroll spring 302 of the adjustment motor 301, and the motion platform 2 The translational movement is realized within the façade under the combined action of the translational driving branch and the pull-down tensioning branch.

[0024] Wherein, the translational drive branch chain includes two drive cables 103 connected to the moving platfo...

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Abstract

The invention belongs to the field of machines, and relates to a cable traction translational motion platform and method for large-scale facade operation. The cable traction translational motion platform comprises a frame, a motion platform, drive motors, regulating motors, two translational motion drive support chains and two pull-down tensioning support chains; the motion platform is connected onto output shafts of the drive motors by the two translational motion drive support chains; the motion platform is connected onto flat spiral springs of the regulating motors by the two pull-down tensioning support chains in a tensioned manner; and the motion platform does translational motion in a facade under the combined action of the translational motion drive support chains and the pull-downtensioning support chains. According to the cable traction translational motion platform and method, flexible cables are used as force transmission media; by two groups of drive cables arranged in parallel, the rotational freedom of the platform is effectively restrained, and the translational motion in the facade is realized; each flat spiral spring is employed by the corresponding pull-down tensioning support chain to tension the corresponding cables; and moreover, the regulating motors are creatively added, so that the motion range of the platform becomes boarder.

Description

technical field [0001] The invention relates to the field of machinery, in particular to a large-scale elevation operation cable traction and translational motion platform. It can be used for a wide range of facade work such as building exterior wall cleaning. Background technique [0002] To realize the translational motion of two degrees of freedom in the vertical plane, the traditional mechanism is realized by using the X and Y two-axis moving platform. The movement distance of this structure is determined by the length of the slide rail, so long-distance motion requires a longer slide rail length, which results in an exponential increase in the weight of the platform. [0003] The cable traction parallel mechanism has the advantages of light weight, simple operation, convenient transportation, and low cost, so it is widely used in planar motion platforms. If it is used for a mechanism for shooting over a stadium, this kind of cable traction parallel mechanism has trans...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F11/00B66F13/00
CPCB66F11/00B66F13/00
Inventor 杜敬利廉荫虎王飞杰张瑞翔李博韬贾双
Owner XIDIAN UNIV
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