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Double-reed large-turning angle flexible joint

A flexible joint, large turning angle technology, applied in the direction of pivot connection, etc., can solve the problem of small movement range, and achieve the effect of high movement precision, reduced assembly error, and compact structure

Inactive Publication Date: 2015-07-22
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a double reed large-angle flexible joint to solve the problem that the existing flexible hinges have a small range of motion

Method used

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  • Double-reed large-turning angle flexible joint

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Experimental program
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specific Embodiment approach 1

[0007] Specific implementation mode one: combine figure 1 and figure 2 Describe this embodiment, the joint in this embodiment includes a first shell 1, a second shell 2, a first flexible plate 3 and a second flexible plate 4, the first flexible plate 3 is I-shaped, and the second flexible plate 4 It is a square plate and the square plate has a square through hole 4-1. The first shell 1 and the second shell 2 have the same structure. The first shell is made of a 210° arc plate and a 90° arc plate. The side wall of the 210° arc plate is connected with the side wall of the 90° arc plate to form one body and the thickness of the 90° arc plate is less than the thickness of the 210° arc plate. The outside of the 90° arc plate of the second shell and the 90° arc plate of the first shell are arranged inside the 210° arc plate of the second shell and a gap is formed between the first shell and the second shell, The inner wall of the first casing 1 has two first through grooves 1-1 a...

specific Embodiment approach 2

[0009] Specific implementation mode two: combination figure 1 It is explained that the first flexible board 3 and the second flexible board 4 of this embodiment are both 6061 aluminum alloy boards, and this material has excellent welding properties and high toughness. Other implementation manners are the same as the specific implementation manner 1.

specific Embodiment approach 3

[0010] Specific implementation mode three: combination figure 1 In this embodiment, the vertical beam of the first flexible board 3 passes through the square through hole 4 - 1 and the two beams of the first flexible board 3 are respectively arranged on both sides of the second flexible board 4 . Other implementation manners are the same as the specific implementation manner 1.

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Abstract

The invention discloses a double-reed large-turning angle flexible joint, relates to the technical field of mechanical kinematic pairs, and solves the problem that the conventional flexible hinge is small in motion range. The double-reed large-turning angle flexible joint is characterized in that a first shell is integrally formed by a 210-degree arc plate and a 90-degree arc plate; the side wall of the 210-degree arc plate and the side wall of the 90-degree arc plate are integrally connected, and the thickness of the 90-degree arc plate is smaller than that of the 210-degree arc plate; the 210-degree arc plate of the first shell is arranged outside a 90-degree arc plate of a second shell, the 90-degree arc plate of the first shell is arranged inside a 210-degree arc plate of the second shell, and a gap is formed between the first shell and the second shell; a first flexible plate is inserted into the first shell and the second shell through a first through groove and a second through groove; a second flexible plate is inserted into the first shell and the second shell through the remaining parts of the first through groove and the second through groove. The double-reed large-turning angle flexible joint is applied to the field of large-stroke precision transmission mechanisms and flexible transmission.

Description

technical field [0001] The invention relates to a double-reed large-angle flexible joint, and relates to the technical field of mechanical motion pairs. Background technique [0002] Traditional mechanisms are composed of rigid components connected in the form of kinematic pairs. There are inevitably gaps and frictions between the components that make up the kinematic pairs, which cannot meet the high-performance requirements such as high speed, high precision, and miniaturization. Compliant mechanisms have been developed through experimentation with various types of elastic supports. The compliant mechanism utilizes the small deformation of the elastic material and its self-recovery characteristics to eliminate the lost motion and mechanical friction during the transmission process, and can obtain ultra-high displacement resolution, and has a very compact mechanical structure, high rigidity, and fast The response is a new direction for the development of modern institution...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C11/12
Inventor 董为杜志江杨淼
Owner HARBIN INST OF TECH
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