Swing joint for realizing force balance and mechanism limit by using internal bending springs

A technology for bending springs and realizing force, applied in springs/shock absorbers, measuring devices, mechanical equipment, etc., to achieve the effect of improving work adaptability, reducing occupied space, and reducing measurement strength

Inactive Publication Date: 2016-03-30
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a swing joint that uses a built-in bending spring to realize force balance and mechanism limit, so as to solve the problems existing in the balance mechanism of the prior art joint type coordinate measuring machine

Method used

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  • Swing joint for realizing force balance and mechanism limit by using internal bending springs
  • Swing joint for realizing force balance and mechanism limit by using internal bending springs
  • Swing joint for realizing force balance and mechanism limit by using internal bending springs

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Embodiment Construction

[0024] see figure 1 — Figure 4 As shown, the swing joint that utilizes the built-in bending spring to achieve force balance and mechanism limit, includes a sleeve-shaped support, and an embedded shaft assembly 7 and an embedded nested assembly 9 arranged in the support, wherein the embedded shaft assembly 7 It includes a circular shaft seat 7.1 coaxially assembled on the left side of the support, the right side of the shaft seat 7.1 is coaxially connected with a circular sleeve 7.2 that is expanded in diameter relative to the right side of the shaft seat 7.1, and the center of the right side of the shaft seat 7.1 is connected coaxially There is a support shaft 7.3 protruding from the round sleeve 7.2, and two symmetrical positions on the side wall of the shaft seat 7.1 are respectively provided with threaded holes 7.4 along the central axis of the shaft seat 7.1, and the right ends of the threaded holes 7.4 pass through the left side of the round sleeve 7.2 and the round slee...

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Abstract

The invention discloses a swing joint for realizing force balance and mechanism limit by using internal bending springs. The swing joint comprises a left support, a right support, an embedding shaft, an embedding sleeve, two identical compression columns, two identical bending springs, two identical bearings, an inner spacing ring, an outer spacing ring, an inner nut, an outer nut, a grating bracket, a grating and a reading head; the embedding shaft and the embedding sleeve can realize relative rotation through the bearings; when the embedding shaft and the embedding sleeve relatively rotate, the two compression columns on the embedding shaft and two semicircular grooves are spaced to synchronously compress the bending springs, so that the bending springs have opposite acting force on spacing of the compression columns and the semicircular grooves, that is, the resistance is increased to realize gravity balance of a joint type coordinate measurer when the embedding shaft and the embedding sleeve relatively rotate; and when the bending springs are compressed to have no gap, the compression cannot be performed anymore to achieve a limiting effect.

Description

technical field [0001] The invention relates to the field of articulated coordinate measuring machines, in particular to a swing joint of an articulated coordinate measuring machine which utilizes a built-in bending spring to realize force balance and mechanism limit. Background technique [0002] Articulated coordinate measuring machine is a multi-degree-of-freedom non-orthogonal coordinate measuring machine. It imitates the joint structure of the human arm and connects a series of rods in series through joints. It has a large measurement range, convenience and flexibility, and high precision. , simple mechanical structure, good environmental adaptability and so on. Various research institutions at home and abroad have conducted in-depth research on articulated coordinate measuring machines and developed related products. The articulated coordinate measuring machines have been widely used in the fields of product quality online inspection, equipment maintenance, aircraft as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/123G01B21/00
CPCF16F15/12346G01B21/00
Inventor 于连栋刘宁宁赵会宁夏豪杰姜一舟贾华坤
Owner HEFEI UNIV OF TECH
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