Super large workspace spherical face hinge possessing bias output

A spherical hinge and working space technology, which is applied to manufacturing tools, manipulators, pivot connections, etc., can solve the problems of large working space and small swing range of the output rod of spherical hinges, and achieve the effect of improving sports performance and flexible sports.

Inactive Publication Date: 2011-07-20
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In view of the above-mentioned problems and engineering requirements in the prior art, the present invention provides a spherical hinge with a super large working space with offset output. The invention has a large working space and solves the problem of small swing range of the output rod of the spherical hinge.

Method used

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  • Super large workspace spherical face hinge possessing bias output
  • Super large workspace spherical face hinge possessing bias output
  • Super large workspace spherical face hinge possessing bias output

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] figure 1 is the first disclosed embodiment of the invention, which consists of a spherical hinge with a large working space and an offset output unit. The bias output unit includes a bias output rod 7 and a straight output rod 8; the spherical hinge with a large working space includes a support unit, an output unit and a spherical sub-unit, and the support unit includes a lower support rod 1, two ears The bracket 2, the U-shaped shift fork 5 and the double-ear bracket 2 constitute pins (4, 12) that are rotationally connected; the output unit includes a straight output rod 8, support rollers (9, 9'), support pins (10, 10') and a rotating bracket 11; Among them, the offset output rod 7 and the straight output rod 8 are fixedly connected at the intersection point A of the axes of the two rods. The overall output rod is in the shape of a bend. Point A is located outside the U-shaped shift fork of the spherical hinge. The angle between the axes of the two shafts is alpha ...

Embodiment 2

[0049] image 3 The second disclosed embodiment of the present invention consists of a spherical hinge with a large working space and an offset output unit. The bias output unit includes a bias output rod 7 and a straight output rod 8; the spherical hinge with a large working space includes a support unit, an output unit and a spherical sub-unit, and the support unit includes a lower support rod 1, two ears The bracket 2, the U-shaped shift fork 5 and the double-ear bracket 2 constitute pins (4, 12) that are rotationally connected; the output unit includes a straight output rod 8, support rollers (9, 9'), support pins (10, 10') and a rotating bracket 11; Wherein the difference with the first embodiment: the U-shaped shift fork 5 is placed on the outside of the double ear bracket 2; The rod 1 is fixed to the center, and the ball head 3 and the bracket ball socket 15 form a spherical pair.

[0050] The spherical hinge is characterized by: large bearing capacity, slightly smal...

Embodiment 3

[0052] Figure 4 The third embodiment disclosed by the present invention is a spherical hinge with a super large working space based on the bias output of the traditional spherical hinge. It consists of a lower support rod 1, a support ball socket 13, a restraint ball socket 14, a ball head 3, a straight output rod 8 and a bias output rod 7. The upper end of the lower support rod 1 is concentrically fixed with the support ball socket 13, and the axis of the lower support rod 1 coincides with the rotation axis of the support ball socket 13; the lower end of the straight output rod 8 is concentrically fixed with the ball head 3, and the straight output rod 8 takes A certain length OA is greater than the sum of the radius of the restraining ball socket 14 and the radius of the output rod; it is fixedly connected with the offset output rod 7 at the upper end point A to form an output unit, and the axis of the straight output rod 8 and the axis of the offset output rod 7 form an an...

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Abstract

The present invention discloses a spherical hinge provided with an overlarge working space with bias output. The spherical hinge consists of a central spherical hinge and a bias output unit. The central spherical hinge is a ball / socket converting spherical hinge with the large working space, a double-lug support fixing spherical hinge with the large working space or a spherical hinge transversely subdividing a ball socket; a whole output rod is formed by fixedly connecting a bias output rod (7) of the bias output unit and a straight output rod (8) of the central spherical hinge into a whole at an intersection point A of axial lines of the two rods, wherein the intersection point A of the axial lines of the two rods are positioned outside of a U-shaped shifting fork (5) of the central spherical hinge, an included angle alpha h of the axial lines of the two rods of the bias output rod (7) and the straight output rod (8) is between 0 and 100 degrees, thereby the working space of the spherical hinge can maximally occupy the whole spherical surface.

Description

technical field [0001] The invention relates to a spherical hinge with a super large working space with bias output, and belongs to the field of mechanical robots or machinery. Background technique [0002] As a connection, the spherical hinge is essentially a spherical pair, which is the basic movement unit in mechanism science and constitutes the basic unit of mechanism or machinery. Generally, it is composed of an output rod, a ball head and a ball socket, and a lower support rod. When one end is fixed (like a support rod), the other end has three rotational degrees of freedom. [0003] There are still some problems in engineering to ensure that the two elements that make up the spherical pair can maintain stable and reliable contact regardless of pressure or tension, and realize the function of the spherical hinge. [0004] At present, there are two types of typical structures of commonly used spherical hinges: the transversely split ball-and-socket type. That is, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C11/06B25J11/00
Inventor 周玉林高峰
Owner YANSHAN UNIV
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