CN221219110U - Truss connection node - Google Patents
Truss connection node Download PDFInfo
- Publication number
- CN221219110U CN221219110U CN202323234769.3U CN202323234769U CN221219110U CN 221219110 U CN221219110 U CN 221219110U CN 202323234769 U CN202323234769 U CN 202323234769U CN 221219110 U CN221219110 U CN 221219110U
- Authority
- CN
- China
- Prior art keywords
- variable cross
- connecting piece
- section connecting
- section
- truss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 16
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model discloses a truss connecting node which comprises a first variable cross-section connecting piece, a second variable cross-section connecting piece, a vertical web member, an upper chord member and a lower chord member; the lower end of the first variable cross-section connecting piece is a small-caliber end, and the upper end of the first variable cross-section connecting piece is a large-caliber end; the lower end of the first variable cross-section connecting piece is connected with the upper end of the vertical web member; the plurality of upper chords are circumferentially arranged at intervals along the upper end of the first variable cross-section connecting piece, and the end parts of the upper chords are connected with the outer wall of the upper end of the first variable cross-section connecting piece; the upper end of the second variable cross-section connecting piece is a small-caliber end, and the lower end of the second variable cross-section connecting piece is a large-caliber end; the upper end of the second variable cross-section connecting piece is connected with the lower end of the vertical web member; the lower chords are multiple, and the end parts of the lower chords are connected with the outer wall of the lower end of the second variable-section connecting piece. The beneficial effects of the utility model are as follows: the joint connection rigidity is high, the strength is high, the cross section of the component is not weakened, the force transmission path is direct, and the reliability is good.
Description
Technical Field
The utility model relates to the technical field of steel truss structures, in particular to a truss connecting node.
Background
With the development of social economy, building styles move toward irregularities such as concave-convex or twisting, building spaces move toward permeability, visual openness and other large-span properties. Steel truss systems are increasingly being used in such buildings due to their spanning ability, load bearing stiffness, and lightweight construction. In order to meet the requirements of the outer facade of the building, the complexity of the steel truss is continuously increased, the number of trusses with nodes is continuously increased, and the node design of the trusses is a heavy difficulty of the design of the whole truss structure system.
At present, the common practice of the node is to directly connect each rod piece in a welding mode, and the strength and reliability of the node formed in the mode are poor. In the complex space truss structure engineering at present, the number of trusses at the joints is too large, the joint connection mode of direct welding leads to too close distance of welding seams, welding stresses are mutually overlapped, larger stress concentration is formed, fatigue strength of the joint structure is very unfavorable and local embrittlement is caused, construction is also unfavorable, and the quality of the welding seams cannot meet the standard requirements.
Accordingly, there is a need for improvements over the prior art.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a truss connecting node which aims to improve the strength and reliability of the node.
The utility model adopts the technical scheme that: a truss connection node comprises a first variable cross-section connecting piece, a second variable cross-section connecting piece, a vertical web member, an upper chord member and a lower chord member;
The lower end of the first variable cross-section connecting piece is a small-caliber end, and the upper end of the first variable cross-section connecting piece is a large-caliber end;
The lower end of the first variable cross-section connecting piece is connected with the upper end of the vertical web member; the plurality of upper chords are circumferentially arranged at intervals along the upper end of the first variable cross-section connecting piece, and the end parts of the upper chords are connected with the outer wall of the upper end of the first variable cross-section connecting piece;
the upper end of the second variable cross-section connecting piece is a small-caliber end, and the lower end of the second variable cross-section connecting piece is a large-caliber end;
The upper end of the second variable cross-section connecting piece is connected with the lower end of the vertical web member; the plurality of lower chords are circumferentially arranged at intervals along the lower end of the second variable cross-section connecting piece, and the end parts of the lower chords are connected with the outer wall of the lower end of the second variable cross-section connecting piece.
According to the scheme, the first variable cross-section connecting piece and the second variable cross-section connecting piece have the same structure and comprise connecting cylinders and connecting columns, the connecting cylinders are of horn-shaped structures, the small-caliber ends of the connecting cylinders are consistent with the caliber of the vertical web members, and the connecting cylinders and the connecting columns are connected in alignment; the large-caliber end of the connecting cylinder is the same as the outer diameter of the connecting column, and the large-caliber end of the connecting cylinder and the connecting column are connected in alignment; the connecting column is connected with the upper chord or the lower chord.
According to the scheme, the reinforcing plate is arranged inside one end of the connecting cylinder, which is connected with the vertical web member.
According to the scheme, the connecting column comprises a cylinder body, and a cover plate and a bottom plate which are respectively fixed at the top and the bottom of the cylinder body.
According to the scheme, the cylinder body, the cover plate and the bottom plate are made of steel plates respectively, and the thickness of the steel plates is larger than the wall thickness of the vertical web members.
According to the scheme, a rib plate is further arranged between the lower chord member and the connecting column of the second variable cross-section connecting piece.
According to the scheme, the truss connecting node further comprises a plurality of lower diagonal web members, the lower diagonal web members are arranged at intervals along the periphery of the connecting column of the second variable cross-section connecting piece, and the end parts of the lower diagonal web members are welded and connected with the connecting column of the second variable cross-section connecting piece.
According to the scheme, the connecting end of the lower inclined web rod is positioned above the lower chord member.
According to the scheme, the middle part is provided with a reinforcing plate in the connecting column of the first variable cross-section connecting piece, and the position of the reinforcing plate corresponds to the connecting position of the upper chord rod.
According to the scheme, two reinforcing plates are arranged in the connecting column of the second variable cross-section connecting piece at intervals, and the positions of the two reinforcing plates correspond to the connecting positions of the lower chord member and the lower inclined web member respectively.
The beneficial effects of the utility model are as follows: the utility model can effectively ensure the rigidity and strength of the node, avoid stress concentration caused by too close distance between welding seams at the truss node, improve the reliability of node connection, reduce the processing and manufacturing difficulty, and facilitate construction, thereby ensuring the construction quality. The method comprises the following steps:
1. The node is connected with the truss rod pieces through the variable cross-section connecting piece, the connecting mode does not weaken the cross section of the component, the node connection rigidity is high, the strength is high, the force transmission path is direct, and the reliability is good; and the stiffening plate is arranged between the lower chord member and the variable cross-section connecting piece according to the condition of the node, so that the rigidity of the component can be obviously improved, the local stability is ensured, and the safety redundancy is increased.
2. The space modeling of the nodes is regular. The vertical web member is connected with the lower diagonal web member, the upper chord member and the lower chord member through the variable cross-section connecting piece, the distance between welding seams is increased, the joint connection position is concise and attractive, and stress concentration caused by too close distance between the welding seams at the truss joint position can be effectively avoided.
3. The node is simple to process and manufacture, and the construction quality is easy to ensure. The variable cross-section connecting piece increases the connection distance between the vertical web member and the diagonal web member as well as between the upper chord member and the lower chord member, increases the welding seam distance, reduces the construction and manufacturing difficulty, and avoids the uncertainty of the welding seam quality of a welding area caused by too close welding seam distance.
4. The node adaptability is strong. Compared with the existing truss nodes (the existing truss nodes are only suitable for connecting a small number of truss chords with web members), the truss chords and the web members are connected together through the variable-section connecting piece, and the truss nodes are suitable for connecting rods with different section types and different section widths.
Drawings
Fig. 1 is a schematic three-dimensional structure of a first embodiment of the present utility model.
Fig. 2 is a schematic diagram showing a connection between a first variable cross-section connecting piece and an upper chord in the first embodiment.
Fig. 3 is a second schematic diagram of connection between the first variable cross-section connecting piece and the upper chord in the first embodiment.
Fig. 4 is a schematic diagram showing the connection between the second variable cross-section connecting piece and the lower chord member and the lower diagonal web member in the first embodiment.
Fig. 5 is a schematic diagram showing a connection between a second variable cross-section connecting piece and a lower chord in the second embodiment.
Fig. 6 is a schematic diagram showing a connection between a second variable cross-section connecting piece and a lower chord in the second embodiment.
Wherein: 1. a first variable cross-section connecting member; 2. a second variable cross-section connecting member; 3. vertical web members; 4. an upper chord; 5. a lower chord; 6. a lower diagonal web member; 7. a connecting column; 8. a connecting cylinder; 9. a reinforcing plate; 10. reinforcing plates; 11. rib plates.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
A truss attachment node as shown in fig. 1, comprising a first variable cross-section connector 1, a second variable cross-section connector 2, a vertical web member 3, an upper chord 4 and a lower chord 5,
The lower end of the first variable cross-section connecting piece 1 is a small-caliber end, and the upper end of the first variable cross-section connecting piece 1 is a large-caliber end;
The lower end of the first variable cross-section connecting piece 1 is connected with the upper end of the vertical web member 3; the plurality of upper chords 4 are circumferentially arranged at intervals along the upper end of the first variable cross-section connecting piece 1, and the end parts of the upper chords 4 are connected with the outer wall of the upper end of the first variable cross-section connecting piece 1;
the upper end of the second variable cross-section connecting piece 2 is a small-caliber end, and the lower end of the second variable cross-section connecting piece 2 is a large-caliber end;
The upper end of the second variable cross-section connecting piece 2 is connected with the lower end of the vertical web member 3; the lower chords 5 are arranged at intervals along the circumferential direction of the lower end of the second variable cross-section connecting piece 2, and the end parts of the lower chords 5 are connected with the outer wall of the lower end of the second variable cross-section connecting piece 2.
In the utility model, a plurality of upper chords 4 are arranged at equal intervals along the circumferential direction of the upper end of the first variable cross-section connecting piece 1; the lower chords 5 are uniformly arranged at intervals along the circumferential direction of the lower end of the second variable cross-section connecting piece 2.
In the utility model, the upper chord member 4 is welded with the first variable cross-section connecting piece 1; the lower chord 5 is welded with the second variable cross-section connecting piece 2.
Preferably, the first variable cross-section connecting piece 1 and the second variable cross-section connecting piece 2 have the same structure and comprise a connecting cylinder 8 and a connecting column 7, the connecting cylinder 8 is in a horn-shaped structure, the small caliber end of the connecting cylinder 8 is consistent with the caliber of the vertical web member 3, and the two parts are connected in alignment; the large-caliber end of the connecting cylinder 8 is the same as the outer diameter of the connecting column 7, and the large-caliber end and the connecting column are connected in alignment; the connecting post 7 is connected with the upper chord 4 or the lower chord 5.
In the utility model, the diameter of the large-caliber end of the connecting cylinder 8 is twice that of the vertical web member 3, and the utility model has the advantages of reducing the distance between welding seams, reducing the inconvenience of construction caused by too close distance between the welding seams and unsatisfied requirement of the quality of the welding seams; and, the increase in the bore of the connecting cylinder 8 is beneficial for connecting more chords. In the utility model, the gradient of the large-caliber end and the small-caliber end of the connecting cylinder 8 is required to be less than 1: and 6, facilitating the force transmission from the vertical web member 3 to the chord member.
In the utility model, a plurality of upper chords 4 are uniformly arranged at intervals on the periphery of the connecting column 7 of the first variable cross-section connecting piece 1, and the end parts of the upper chords 4 are welded with the connecting column 7. The outer circumference of the connecting column 7 of the second variable cross-section connecting piece 2 is uniformly provided with a plurality of lower chords 5 at intervals, and the end parts of the lower chords 5 are welded with the connecting column 7.
In the utility model, a stiffening plate 10 is arranged inside one end of the connecting cylinder 8 connected with the vertical web member 3.
Preferably, the connecting column 7 comprises a cylinder, and a cover plate and a bottom plate fixed to the top and bottom of the cylinder respectively; the cylinder body, the cover plate and the bottom plate are made of steel plates respectively, and the thickness of the steel plates is larger than the wall thickness of the vertical web members 3.
Preferably, a rib 11 is further provided between the lower chord 5 and the connecting post 7 of the second variable cross-section connecting piece 2.
Preferably, the truss connection node further comprises a plurality of lower diagonal web members 6, the lower diagonal web members 6 are arranged at intervals along the periphery of the connecting post 7 of the second variable cross-section connecting piece 2, and the end parts of the lower diagonal web members 6 are welded and connected with the connecting post 7 of the second variable cross-section connecting piece 2.
In the present utility model, the connecting end of the lower diagonal web member 6 is located above the lower chord member 5.
Preferably, the connection column 7 is internally provided with a reinforcing plate 9. Specifically, a reinforcing plate 9 is arranged in the middle of the connecting column 7 of the first variable cross-section connecting piece 1, and the position of the reinforcing plate 9 corresponds to the connecting position of the upper chord 4; two reinforcing plates 9 are arranged in the connecting column 7 of the second variable cross-section connecting piece 2 at intervals, and the positions of the two reinforcing plates 9 respectively correspond to the connecting positions of the lower chord 5 and the lower diagonal web member 6.
Example 1
The truss connection node shown in fig. 1-4 is suitable for special-shaped curved surface circular tube truss modeling with larger span (the span exceeds 120 meters) and a curved surface roof building model with larger span. The truss connecting node comprises a vertical web member 3, 8 upper chord members 4, 8 lower chord members 5, 8 lower diagonal web members 6, a first variable cross-section connecting piece 1 and a second variable cross-section connecting piece 2; the first variable cross-section connecting piece 1 connects the vertical web member 3 and the upper chord member 4 together, and the vertical web member and the upper chord member are fixedly connected; the second variable cross-section connecting piece 2 connects the vertical web member 3 with the lower chord member 5 and the inclined web member, and adopts fixed connection; an upper reinforcing plate 9 is arranged in the middle of the connecting column 7 of the first variable cross-section connecting piece 1, and the position of the upper reinforcing plate 9 corresponds to the connecting position of the upper chord 4; two lower reinforcing plates 9 are arranged in the connecting column 7 of the second variable cross-section connecting piece 2, and the positions of the two lower reinforcing plates 9 respectively correspond to the positions of the lower diagonal web member 6 and the lower chord member 5. The inner wall of the lower chord member 5 is provided with a sleeve as a groove welding pad, and a stiffening plate for connecting the second variable cross-section connecting piece 2 and the lower chord member 5 can be arranged according to the lofting condition of the lower diagonal web member 6, and the stiffening plate is connected with the second variable cross-section connecting piece 2 and the lower chord member 5 by adopting a fillet weld. The first variable cross-section connecting piece 1, the second variable cross-section connecting piece 2, the vertical web member 3, the lower diagonal web member 6, the upper chord 4 and the lower chord 5 are all manufactured in a factory. The parts of the first variable cross-section connecting piece 1 are fixedly connected; the parts of the second variable cross-section connecting piece 2 are fixedly connected.
Example two
As shown in fig. 5 and 6, in the second embodiment, the lower diagonal web member 6 is not provided, and the rib plate 11 is provided between the lower chord member 5 and the second variable cross-section connecting member 2; other configurations of the second embodiment are the same as those of the first embodiment.
What is not described in detail in this specification is prior art known to those skilled in the art.
Finally, it should be noted that the foregoing is merely a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and although the present utility model has been described in detail with reference to the embodiment, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but any modifications, equivalents, improvements or changes thereof may be made without departing from the spirit and principle of the present utility model.
Claims (10)
1. The truss connecting node is characterized by comprising a first variable cross-section connecting piece, a second variable cross-section connecting piece, a vertical web member, an upper chord member and a lower chord member;
The lower end of the first variable cross-section connecting piece is a small-caliber end, and the upper end of the first variable cross-section connecting piece is a large-caliber end;
The lower end of the first variable cross-section connecting piece is connected with the upper end of the vertical web member; the plurality of upper chords are circumferentially arranged at intervals along the upper end of the first variable cross-section connecting piece, and the end parts of the upper chords are connected with the outer wall of the upper end of the first variable cross-section connecting piece;
the upper end of the second variable cross-section connecting piece is a small-caliber end, and the lower end of the second variable cross-section connecting piece is a large-caliber end;
The upper end of the second variable cross-section connecting piece is connected with the lower end of the vertical web member; the plurality of lower chords are circumferentially arranged at intervals along the lower end of the second variable cross-section connecting piece, and the end parts of the lower chords are connected with the outer wall of the lower end of the second variable cross-section connecting piece.
2. The truss connection node according to claim 1, wherein the first variable cross-section connecting piece and the second variable cross-section connecting piece have the same structure and comprise a connecting cylinder and a connecting column, the connecting cylinder is in a horn-shaped structure, the small caliber end of the connecting cylinder is consistent with the caliber of the vertical web member, and the connecting cylinder and the connecting column are connected in alignment; the large-caliber end of the connecting cylinder is the same as the outer diameter of the connecting column, and the large-caliber end of the connecting cylinder and the connecting column are connected in alignment; the connecting column is connected with the upper chord or the lower chord.
3. The truss attachment node of claim 2 wherein a stiffening plate is provided within an end of the connecting barrel to which the vertical web member is attached.
4. The truss attachment node of claim 2 wherein the attachment post includes a barrel and a cover plate and a base plate secured to the top and bottom of the barrel, respectively.
5. The truss attachment node of claim 4 wherein the barrel, cover and base are each formed from steel sheet having a thickness greater than the wall thickness of the vertical web members.
6. The truss attachment node of claim 2 wherein a rib is further provided between the lower chord and the post of the second variable cross-section connector.
7. The truss attachment node of claim 2 wherein the truss attachment node further comprises a plurality of lower diagonal web members, the lower diagonal web members being circumferentially spaced along the connecting post of the second variable cross-section connector, and wherein the ends of the lower diagonal web members are welded to the connecting post of the second variable cross-section connector.
8. The truss attachment node of claim 7 wherein the attachment end of the lower diagonal web is located above the lower chord.
9. The truss attachment node of claim 2 wherein a reinforcing plate is provided at a central portion of the interior of the connecting post of the first variable cross-section connecting member, the reinforcing plate being positioned to correspond to the attachment location of the upper chord.
10. The truss attachment node of claim 2, wherein two stiffening plates are disposed in the connecting column of the second variable cross-section connecting member at intervals, and the positions of the two stiffening plates correspond to the positions of connection of the lower chord member and the lower diagonal member, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323234769.3U CN221219110U (en) | 2023-11-27 | 2023-11-27 | Truss connection node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323234769.3U CN221219110U (en) | 2023-11-27 | 2023-11-27 | Truss connection node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221219110U true CN221219110U (en) | 2024-06-25 |
Family
ID=91575181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323234769.3U Active CN221219110U (en) | 2023-11-27 | 2023-11-27 | Truss connection node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221219110U (en) |
-
2023
- 2023-11-27 CN CN202323234769.3U patent/CN221219110U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109339250B (en) | Node reinforced spliced steel pipe concrete connection structure and construction method thereof | |
| CN209384393U (en) | Joint strengthening type steel-pipe assembly concrete connecting structure | |
| CN213233796U (en) | Hoop type external reinforcing ring circular steel pipe column-H-shaped steel beam connecting node structure | |
| CN221219110U (en) | Truss connection node | |
| CN110725405A (en) | Steel pipe concrete column H-shaped steel beam rigid connection node structure with tie bars and construction method | |
| CN111663663B (en) | Non-central intersection stiffening bulb tube node of multi-rod space tube truss and application | |
| CN107620501B (en) | Be applied to assembled node of double-deck steel construction cooling tower | |
| CN217998414U (en) | Connecting device for quickly assembling horizontal seams of multi-cavity steel pipes | |
| CN110700422A (en) | DK type space intersection node formed by welding box type steel pipes and application | |
| CN110359632A (en) | A kind of umbrella shape steel pipe bundle column and installation method | |
| CN211774630U (en) | Steel pipe concrete special-shaped column and I-shaped steel beam connection node structure | |
| CN213571508U (en) | FRP pipe-concrete-steel pipe double-pipe combined structure node and connecting piece | |
| CN212248894U (en) | Structural column for umbrella-shaped building modeling | |
| CN208815686U (en) | The connecting joint structure of core space heavier-duty circular steel tube concrete column and girder steel | |
| CN217269192U (en) | Outer annular plate type connecting node of assembled square steel pipe column-H-shaped steel beam | |
| CN220165629U (en) | Double-layer split type eight-rod structure and gantry crane comprising same | |
| CN105297896A (en) | Punching corbel haunch type compound steel pipe concrete column-steel beam node | |
| CN111287317A (en) | Steel pipe structure tree-shaped column branching node with bidirectional stiffening plate | |
| CN118461823B (en) | Building steel roof and construction method thereof | |
| CN113565207A (en) | Assembly type beam-column joint structure and construction method | |
| CN113236005B (en) | Assembled outer sleeve staggered flange intersecting joint and construction method thereof | |
| CN115807486B (en) | Node connection structure of complex pipe truss and pipe truss system | |
| CN219767144U (en) | Cylindrical welding structure | |
| CN108797809A (en) | The connecting joint structure and construction method of core space heavier-duty circular steel tube concrete column and girder steel | |
| CN111255094A (en) | High-strength truss connecting joint, connecting structure and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |