SU1530845A1 - Pivoted joint - Google Patents

Abstract

The invention relates to mechanical engineering, in particular, to hinged joints of spatial core structures. The purpose of the invention is to enhance the functionality and simplify the design. The hinge joint contains parallel-mounted connecting sleeves 1, separated by layers of ball pins 2 containing spherical heads 7 and shanks 8. The sleeves 1 are made identical: free-form with holes 6. At the same time, D _st Δ _about , where D _st is the diameter of a spherical head , D _about - the diameter of the hole. Spherical heads 7 are installed in the opposite holes 6 of the holder. A mathematical expression is given to calculate the thickness of the clip 1. The number of the clips is three, and the number of layers of the ball pins is two. This makes it possible to interconnect a practically unlimited number of rods, arbitrarily arranged in space. The design of the joint is simple due to the high repeatability of the components. 2 hp f-ly, 4 ill.

Description

one

(21) 4360611 / 27-27

(22) 07.01.88

(46) 12/23/89. Book 47

(71) Scientific and Production Association Sibtsvetmetavtomatika

(72) A.Kh. Izakson and I.P. Shadrin

(53) 621.828 (088.8)

(56) USSR Author's Certificate No. 1008524, cl. F 16 C 11/06, 1979.

(54) HINGE JOINT

(57) The invention relates to mechanical engineering, in particular to hinged joints of spatial rod structures. The purpose of the invention is to enhance the functionality and simplify the design. The hinge joint contains parallel mounted clips

1, separated by layers of spherical balls

there are 2 spherical heads 7 and shanks 8. Cages 1 are made identical: an arbitrary shape with holes 6. At the same time, D ,, where Bcf is the diameter of the spherical head and Dg is the diameter of the hole. Spherical heads 7 are installed in the opposite holes 6 of the holder. A mathematical expression is given for the calculation of the thickness of the clip 1. The number of clips is three, and the number of layers of ball pins is two. This makes it possible to interconnect a practically unlimited number of rods, arbitrarily arranged in space. The design of the joint is simple due to the high repeatability of the components. 2 3.p. f-ly, 4 ill.

"

cl

ate

her

about

00 4

SP

FIG. 2

The invention relates to mechanical engineering, especially for joining. spatial core structures with at least three connected rods.

The purpose of the invention is to enhance the functionality and simplify the design.

FIG. 1 shows a hinge joint, a general view; FIG. 2 is a view A of FIG. 1; on fig.Z - articulation with three joints, view; Fig. 4 is a diagram for calculating the thickness G of the joint.

The hinge joint (FIGS. 1 and 2) contains two connecting clips 1, six ball pins 2 and fasteners 3 and 4,

The collar 1 is provided with a hole 5 in the middle part and holes 6 in the peripheral part. The centers of the holes 6 are located from the edge of the casing 1 At a distance t less than

the radii of the holes are equal to: g--, and the distance P between the edges of the holes 6 is larger than the diameter of 1 pins of ball pins 2,

Ball fingers 2 accomplish, with spherical heads 7 and zapfa and 8

The sleeves 1 are made of arbitrary shape and are parallel to each other. The ball pins 2 are mounted with spherical Heads 7 into the opposite holes 6 of two adjacent cages 1, Holes 5 (Figs 1 and 2) can Sit used to install fasteners 3, Diameters D and spherical heads 7 of all ball pins 2 are made identical

and the diameters of D, the holes in all the cages 1 are also made the same

The hinge (FIGS. 3 and 4) contains three parallel-mounted clips 1 and eight ball pins 2, which, with their spherical heads 7, are mounted in opposite holes 5 and 6 of two adjacent clips 1, the fastening elements 3 located in the peripheral holes 6, and the holes 5 in the middle part are used to install additional ball pins 2,

The parameters of the elements of the connection are connected by

S D - VD, - D

+ h

five

0

five

0

where d

cf

D,

diameter of spherical head 7;

  and

h

- the diameter of the holes 5 clip 1;

- constructive clearance between heads 7,

The processing of the outer contour of the clips 1 and the holes 5 and 6, it is advisable to produce together (in the package). The execution of the cages in the form of plates of arbitrary configuration with identically located openings of the same diameter, as well as the execution of ball pins with identical dimensions allows assembling a pivot joint with an arbitrary number of ball pins, which makes it possible to interconnect a practically unlimited number of devices for transmitting axial forces with a significant the movement of each device (at least 120 °), and this is achieved by expanding the functionality of the object. The proposed implementation of the links significantly increases the repeatability of the parts, which has a positive effect on the simplification of the structure.

Claims (3)

35 claims 0 five 0 I, A hinged joint containing connecting clamps and steam fingers located between them with spherical heads and trunnions, characterized in that, in order to expand functionality and simplify the design, it contains at least two parallel sleeves made of arbitrary configuration with identical the diameter of the holes, located both in the middle and in the peripheral parts, between each two adjacent cages are located at least three spherical fingers with spherical and the heads of the same diameters Each spherical head is installed in two opposite holes, the diameter of the spherical heads being larger than the diameter of the holes of the clips, and the center of the holes. located in the peripheral parts of the clips, placed at a distance from the edge smaller than their radius. 2. The compound according to claim I, of which is the thickness S of the clips, the diameter of the spherical heads and the diameter D of the opening of the ean by the expression clip ss dc - VD, - D + h cf a- 10 where h is a constructive gap between spherical heads mounted in a single hole from opposite sides, 3. The connection according to claims 1 and 2, T is characterized by the fact that the distances between the edges of the openings located in the peripheral parts of the clip are larger than the diameter of the pins of the ball pins. 1 Fig.Z FIG.