CN85108567A

CN85108567A - space frame

Info

Publication number: CN85108567A
Application number: CN85108567.9A
Authority: CN
Inventors: 埃德温·托马斯·科德
Original assignee: Individual
Current assignee: Individual
Priority date: 1985-11-18
Filing date: 1985-11-18
Publication date: 1987-05-27
Also published as: CN1008459B

Abstract

A kind of space frame, having up and down, two-layer tubulose vertically reaches horizontal chord member 10,11 grid, exchange place of two-layer up and down grid chord or interface point are to be tilted strut 14 connecting, chord is flattened in each junction and overlapping place, the end of tubulose strut is flattened and changes shape, connects liner 15 in order to form.Bolt 17 is connecting the connection liner.Flat chord section joint 12 and Load distribution sheet 19 overlap, 20,21,22, wherein the lateral edge of a Load distribution sheet 22 is to be tight against contiguous shoulder shape projection or the abut 16 that connects liner on the strut, and the bight of remaining Load distribution sheet 19,20,21 then is to adorn on the end that leans against chord member flat part joint top and bottom.

Description

Space frame

The present invention relates to space frame.

On a wide scope, if need to erect the building of a depth as shallow, and it is to have minimized number pillar and minimum loading elasticity activity, just that space frame is considered to usually is the most suitable.Space frame is double deck type normally, its be comprise two-layer up and down by the grid of forming to member or chord in length and breadth, the chord junction or the interface point of levels grid, the web member or the strut that are tilted are being connected to each other, lower floor's grid normally longitudinally reaches laterally and is being replaced with respect to the upper strata grid, so that each interface point is equidistant with four interface points of upper strata grid just on lower floor's grid, and be connected with them by four inclination struts.But some space frame, its lower floor's grid interface point is under the interface point of upper strata grid, therefore the axis of strut of tilting is that the chord axis that is connecting along them is the same, moreover, additional orthogonal strut more can be applied to connecting relative about the interface point of two-layer grid.

Except plane structure, space frame more can be improved to vaulted tunnel-shaped building.

Many space frames in application all have a common shortcoming, and that is exactly all to utilize expensive connection chord and brace member at each interface point place, moreover the device of connector member also needs long time and very big technical work amount.

Main purpose of the present invention is for a space frame is provided, and it is to have simple structure and economic manufacturing, and does not need to rely on the costliness or the complicated apparatus of interface point place connection space framework member.Another purpose is for the space frame of class shape as described is provided, promptly be, its lower floor's grid interface point is connected four interface point places toward the upper strata by similar inclination strut, or its up and down two-layer grid be to be tilted strut, be connected along the plane of the connection chord of two-layer grid.

As above address other visible purposes, the present invention relates to a space frame widely, and its pattern is to have the tubular horizontal chord member and the inclination strut of vertically reaching of two-layer grid up and down, its end at two-layer grid chord junction interface point is to have the connection liner, and at each interface point place:

Chord member is to have the Duan Jie that is flattened that makes the overlapping purposes,

It is to be flattened that strut connects liner, and and the contiguous flat chord section joint place Joint of in same plane, repeatedly being put,

The Load distribution sheet is to be employed, and it is on the top that connects spacer assembly every adjacent strut and bottom and with to be flattened chord section joint overlapping,

Above-mentioned part is being connected to each other by one group of fixing device, and each fixing device then is to pass the Load distribution sheet, and flat chord Duan Jie is connected liner with a strut wherein.

More desirably, fixing device is to comprise bolt and nut, and the Load distribution sheet is to comprise one last, and one down with one three one group of the flat chord section internode that overlaps.Other characteristics of the present invention are will be illustrated by following description.

In the accompanying drawing:

Fig. 1 is the top view of space frame lower floor grid one interface point according to the present invention,

Fig. 2 is the bottom view of interface point among Fig. 1,

Fig. 3 is the sectional drawing of 3-3 along the line among Fig. 1,

Fig. 4 is the sectional drawing of 4-4 along the line among Fig. 1,

Fig. 5 be a space frame interface point that makes an amendment slightly sectional drawing and

Fig. 6 is the oblique view of lower floor's grid interface point according to another embodiment of the present invention.

According to the space frame among Fig. 1 to 5, wherein having only an interface point is to be shown, and it is to comprise that two-layer tubulose vertically reaches horizontal chord up and down, intersects at interface point, and similarly the sloped tubular strut then is the interface point that is connecting two-layer grid.Interface point shown in the figure belongs to lower floor's grid, and here a vertical chord 10 is vertically to be crossed by a horizontal chord 11, and two tubulose chords are flattened at the interface point place, so that wealthyer a little.

Each chord is to be collapsed into like this, so that be flattened and the end of the section of widening joint 12 upper and lower surfaces is that to be a V shape or rectangular-shaped concavity 13, four bolts hole then be to pass the section of being flattened to save 12 and form.

The diameter of inclination strut 14 be than

chord

10 and 11 for little, its each end separately is to be flattened or to change shape, so that being flattened end is to depart from from its axis, and it is in an acute angle by flexing along an x wire, connect liner 15 in order to form one, cut sth. askew from 45 degree angles or cut off for its terminal two jiaos, there is a bolt hole in terminal central authorities.Just because of strut connects that the biasing of liner 15 is shaped and its by the angle of flexing, thereby each strut 14 connect liners 15 near be to have a horizontal abut or a shoulder shape projection 16 to form.

Four groups of bolts 17 and nut 18 are to be applied to connecting securely two

row chord

10 and 11 and four support bars 14 and four Load distribution sheets together.All Load distribution sheets are foursquare, and Qi Sijiao is cut, and four bolts hole are then arranged therein, and the such Load distribution sheet of each group is to comprise first 19; Second 20; The 3rd 21 and the 21a in revising model Fig. 5 as shown in Fig. 1 to 4; With the 4th 22.

This four support bolt 17 is the bolts that upwards inject through the first Load distribution sheet 19, the bolt hole of alignment on the flat part 12 of chord 10, second 20 bolt hole, laterally chord 11 flat parts save 12 bolt hole, the 3rd 21(Fig. 3 and 4) or 21a(Fig. 5) bolt hole that is aligned, four struts connect the bolt hole of liners 15 and the bolt hole of the 4th Load distribution sheet 22, nut 18 then by bolt tightly on bolt 17.

The vertical flat part 12 of chord 10 thereby just reinforced by first and second

Load distribution sheet

19 and 20, so the relative angle of Load distribution sheet just rests in the V shape concavity 13 of this section joint end face and bottom surface securely, simultaneously similarly, second and third sheet 20 and 21 is reinforced the flat part joint 12 of horizontal chord 11.The chamfered edge that four support bar 14 connects liners 15 be with its neighbouring part tightly apical grafting, as shown in phantom in Figure 1.Four limits of the 4th Load distribution sheet 22 are shoulder shape projection or the abuts 16 that closely head on four support bars 14.

The 3rd Load distribution sheet 21a of improvement model is thickened in this wise among Fig. 5, makes the axis of four inclination struts 14 intersect at axis near chord member.If this is that the chord axis coexists on the plane in length and breadth, just their flat part joint 12 can be done suitable biasing.

The interface point of space frame upper strata grid, be that the interface point illustrated with respect to lower floor's grid reversing, except a bit, other aspects then are roughly the same, and this difference is, one single strut 14 is each position, the angle interface point that is fixed on the upper strata grid, and two support bars are each the interface point places that is introduced into grid edge, upper strata.

Shown embodiment among accompanying drawing Fig. 6, it is the interface point in the model space frame lower floor grid, in this pattern, the strut axis is that the chord that is connected with them coexists on the plane, the vertical chord 23 of a tubulose and similarly laterally chord 24 be to have and above-mentioned roughly the same flat part joint 25.The end of two inclination struts 26 also is flattened, the flat part of each strut is that the self-supporting rod axis is being biased, in order to form a contiguous abut or a shoulder shape projection 27, flat part connects liner 28 then by angle of flexing in order to form a square end shape.The orthogonal strut 29 of one terminal welding upper junction plate 30 is also arranged here, four bolts hole 31 are arranged on the junction plate 30.Bolt 32 is passed the bolt hole 31 of junction plate 30, and then is and then connected the bolt hole that is aligning on the liner 28, the bolt hole on the upper strata Load distribution sheet 33 by being passed.Bolt hole on bolt hole on vertical chord 23 flat parts joint 25, the bolt hole on the shoulder load distribution sheet 34, horizontal chord 24 flat parts joint 25 and the lower floor's Load distribution sheet (not being shown), bolt is then by nut (not being shown) fastening.These three Load distribution sheets be with Fig. 1 to 4 in roughly the same shown, and similarly engage and reinforce the chord flat part.

According to space frame of the present invention, its be found can be easy to very economical ground by assembly, and because the intensity and the torsional stability of each interface point, can more effectively reach the purpose of its design.

Claims

1, a kind of space frame has the two-layer up and down grid of transversal tubular chord member and the strut that tilts of vertically reaching, and it connects toward the end of two-layer grid chord junction interface point the liner of connection, at each interface point place:

Chord member has the flat part joint, and it is employed and overlaps,

The strut liner is to be flattened, and with near and roughly be fastened to the flat chord Duan Jie of overlapping in isoplanar relation.

The Load distribution sheet is to be provided, and be applied to device contiguous strut connect liner with overlap above the assembling of flat chord section joint and below,

Each part mentioned above is being connected by a plurality of fixing devices, and each device is through the Load distribution sheet, and flat chord Duan Jie is connected liner with one of them strut.

2, according to the space frame in the claim 1, wherein:

The inclination strut is in a tubular form, is flattened in this wise and connect the liner place at each, so that form shoulder shape projection or abut at the contiguous place of liner,

One is being supported the Load distribution sheet that connects liner by fastening, and its lateral edge is to be close to shoulder shape projection or abut.

3, according to the space frame in above any one claim, wherein:

The contiguous lateral edge that connects liner is to be tight against mutually.

4, according to the space frame in above any one claim, wherein:

The flat part end of each chord on chord and below V-shaped concavity,

The Load distribution sheet is the upper and lower surface that is installed in above-mentioned flat chord Duan Jie, and its relative angle position then is to be installed in the above-mentioned V-arrangement concavity.

5, according to the space frame in above any one claim, wherein:

One Load distribution sheet is that device connects between liner and the flat chord Duan Jie of overlapping at strut, and its thickness is such, so that the prolongation in strut axle center is to intersect within the overlapping chord Duan Jie.

6, according to the space frame in above any one claim, wherein:

The axle center of each inclination strut is on the vertical plane in the axle center that comprises parallel chord that above-mentioned strut connects.

7, according to the space frame in above any one claim, wherein:

One is held in the Load distribution sheet on the strut connection liner, by an end of fastening orthogonal strut in space frame.

8, a space frame, it is approximately as Fig. 1 to 4 with reference to the accompanying drawings is described.

9, a space frame, it is approximately as Fig. 5 with reference to the accompanying drawings is described.

10, a space frame, it is approximately as Fig. 6 with reference to the accompanying drawings is described.