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Foldable parallel mechanism and application thereof

A technology of parallel connection and driving motors, applied in the aerospace field, can solve problems such as limited working space, inability to guarantee processing, poor precision, etc., and achieve the effects of good stretchability and compression performance, reduced space occupation, and large folding capacity

Active Publication Date: 2021-11-09
BEIJING JIAOTONG UNIV
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  • Description
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Problems solved by technology

[0005] Due to the limited working space of existing processing equipment, it is difficult to achieve high rigidity and large extension, so it is impossible to complete the processing of the spherical crown surface of large storage tanks. At present, the processing of spherical crown surfaces of large storage tanks is mainly carried out manually. Long, low production efficiency, and poor precision, can not guarantee the technical requirements of processing, the application provides a foldable parallel mechanism and its application

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  • Foldable parallel mechanism and application thereof
  • Foldable parallel mechanism and application thereof
  • Foldable parallel mechanism and application thereof

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Embodiment Construction

[0035] Hereinafter, specific embodiments of the present application will be described in detail with reference to the accompanying drawings. According to these detailed descriptions, those skilled in the art can clearly understand the present application and can implement the present application. Without departing from the principle of the present application, the features in different embodiments can be combined to obtain new implementations, or some features in certain embodiments can be replaced to obtain other preferred implementations.

[0036] see Figure 1~6, the application provides a foldable parallel mechanism, including a base 1, the base 1 is connected to one end of a scissor-type extension branch chain 3, and the other end of the scissor-type extension branch chain 3 is connected to a moving platform 2, The scissor-type extension branch chain 3 is connected to the drive motor assembly 5; the scissor-type extension branch chain 3 includes a branch chain drive assem...

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Abstract

The invention belongs to the technical field of aerospace, and particularly relates to a foldable parallel mechanism and application thereof. Existing machining equipment is long in period, low in production efficiency, poor in precision and incapable of meeting the machining technical requirement. The invention provides a foldable parallel mechanism which comprises a base, wherein the base is connected with one end of a shear fork type stretching branch chain, the other end of the shear fork type stretching branch chain is connected with a movable platform, and the shear fork type stretching branch chain is connected with a driving motor assembly; the shear fork type stretching branch chain comprises a branch chain driving assembly, the branch chain driving assembly is connected with one end of a main connecting rod, the main connecting rod is connected with one end of a main supporting rod, the other end of the main supporting rod is connected with the base, the branch chain driving assembly is connected with the base, and the other end of the main connecting rod is connected with one end of a shear fork branch structure; one end of the shear fork branch structure is connected with the main supporting rod, and the other end of the shear fork branch structure is connected with the movable platform. And different stretching rigidity requirements can be met.

Description

technical field [0001] The application belongs to the field of aerospace technology, and in particular relates to a foldable parallel mechanism and its application. Background technique [0002] For the processing of complex spherical crown surfaces of large storage tanks in the aerospace field, due to the very large structural size of the storage tanks and the horizontal layout of the overall processing, the processing equipment is required to have a large expansion space. When the large storage tank workpiece is placed horizontally, the size of the spherical crown surface of the workpiece is super large, and the processing direction is along the axis of the workpiece, so the processing equipment needs to have a large stretching distance along the axis of the workpiece, and at the same time, it can meet the rigidity requirements and avoid excessive stretching lead to deformation of the structure. The traditional five-axis linkage CNC machine tool can process complex curved...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/72B25J9/00
CPCB23Q1/72B25J9/0036
Inventor 赫利涛房海蓉霍凯陈宇飞
Owner BEIJING JIAOTONG UNIV
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